SUBJECT INDEX
INDUSTRIAL AND ENGINEERING CHEM ISTRY ANALYTICAL EDITION
VOLUME 9— 1937
A B S O R P T IO N Apparatus for Gases in L aboratory. M . W . Brenner and G. L. P ola n d ... 480 A cetic A cid, M agnesium Separated as Oxalate in C oncentrated Solu
tion of. P. J. E lving and E . R . C a le y ... 558 A cetone E stim ation. C . O. H a u gh ton ... 167 A cetyl M icrodcterm ination, E specially in O -A cetyl Com pounds.
E. P. C la rk ... 539 A cetylm etkylcarbinol Determ ination. A. F. Langlykke and W . H .
P eterson... 163
Ac i d s:
A cidim etry, Borax as Standard for. II. F. H . H urley, Jr... 237 Acidim etry, Sodium Carbonate as Reference Standard in. G. F.
Smith and G. F. C roa d ... 141 Determ ination of, from T ar b y E xtraction. C. H. Fisher and A b
> ner E isner... 213 in Oxidized Petroleum Oils, E lectrom etric T itra tion of. A. R .
Rescorla, F. L. Carnahan, and M . R . F en sk e... 505 (See also kind o f acid.)
A ir, C arbon Dioxide Determ ination in. J. G. W a u gh ... 96 Air, C arbon M onoxide Determ ination in. A. A. Christman, W . D .
B lock, and Julius Schultz... 153 Air Conditioning of Structures, D eterm ination of Odor Concentration
in . V. A . Gant and H . D . Shaw ... 16
Al c o h o l s:
Butanol, Kauri M icrotest for Solvent Power. II. E . L. Balde- schwieler, M . D . M organ, and W . J. T roeller... 540 E thyl, Blend with Gasoline. See Fuel, M otor.
E thyl, D ehydration R ate with M etallic Calcium . G. F. Smith and C . A. G e tz ... 100 Fusel Oil D eterm ination in Distilled Liquors. W . B. D . Penniman,
D . C. Smith, and E . I. L aw she... 91 Alkali Determ ination in Pollucite:
J. C. H illyer... 236 R . C . W ells and R . E . Stevens... .'... 236
Al l o t s:
of Aluminum, Determ ination of Silicon in. H . V. Churchill, R . W . Bridges, and M . F. Lee. (Correspondence, L. H . Callendar;
Churchill, Bridges, and Lee, 5 3 3 )... 201 Arsenic Determ ination in. C . W . A nderson... 569 W ood ’s M etal R eductor. G. F. Smith and C . S. W ilc o x ... 419
Al u m i n u m:
Determ ination b y Precipitation with Urea. H . H . Willard and N. K . T a n g ... 357 Fluorescent l e s t for. C. E . W hite and C . S. L o w e ... 430 Silicon Determ ination in, and in A lloys of. H . V . Churchill, R . W .
Bridges, and M . F. Lee. (Correspondence, L. H . Callendar;
Churchill, Bridges, and Lee, 5 3 3 )... 201 Am algam of Zinc-Sodium , Analysis of. H . A . Liebhafsky... 176 Amines, A rom atic, T itration with Nitrous A cid. Jpseph Phillips and
Alexander L o w y ... 381 A m ino Acids, M on o-, E xtractor for. D . W . W o o lle y ... %... 433 Aniline Determ ination in F ood D yes. O. L. Evenson, J. A. Kim e, and
S. S. F orrest ... 74 Aniline Point D eterm ination in D ark Petroleum Products. Leon D o n n . 202 A rcheology. M icrochem ical Analysis o f Pigments in Fossae of In
cisions of Chinese Oracle Bones. A . A. B enedetti-Pichler... 149 Aream etric Estim ation of Sulfate as Barium Sulfate. V. R . Damerell
and P. Sprem ulli... 123
Arsanilic A cid, Cerium D etection b y. J. F. M iller... 181 Arsenate, Zirconium Determ ination b y. W . C . Schum b and E . J.
Nolan. (A ddendum , 5 6 2 )... 371
Ar s e n i c:
Determ ination in Mineral Oil Solutions. J. B. Lewis and E . L.
Baldeschwieler... 405 D eterm ination in W hite M etals. C . W . A nderson... 569 M icrodeterm ination in B iological Materials. H. J. M orris and
H. O. C alvery. (C orrection, 5 9 1 )... 447 Arsenious Oxide in Potassium Permanganate Standardization. H . A.
B righ t... 577
As p h a l t:
Consistency, E ffect of Tem perature on. H . G . N evitt and L. C . K rch m a... 119 Physical Properties. Viscosity-Tem perature Susceptibility. Se
ward M ason, R . J. Loom is, S. D . Patterson, H . G . N evitt, and L. C . K rch m a ... 138 Saponification Value Determ ined in Asphalt Oils and. J. E . Fratis
and D . H . C o n d it... 576 Stain Num ber Determ ined. H . E . Schweyer and H . C . H ow ell 563 Authors, N ote t o ...1, 306
B A L A N C E R oom . See M icrochem istry, Apparatus.
Balances, M icro-, H ighly Sensitive to Tem perature. Fritz B re u e r.. . 354 Barite Ores, Analysis of, Containing Calcium Fluoride. E . S. H ertzog. 336 Barium D eterm ination. S. J. K o c h o r... 331 Barium Sulfate, Areametric Estim ation of Sulfate as. V . R . Damerell
and P . Sprem ulli... ; 123 Bases, Determ ination of, from Tar b y Extraction. C . H . Fisher and
A bner E isner... 213 B au m i H vdrom eter. See Hydrom eter.
Beet Leafhopper. See Insects.
Berl-Kullm ann. See M elting P oin t Apparatus.
Beryllium Separation in Presence of C om plex Tartrates. H . S.
M iller... 221
Be v e r a g e s, Al c o h o l i c:
Distilled Liquors, Determ ination of Higher A lcohols in. W . B. D . Penniman, D . C. Smith, and E. I. Law she... 91 W hisky, Fusel Oil Determ ination in. W . B. D . Penniman, D . C.
Smith, and E . I. L aw she... 91 W ine, Iron C ontent of. John Byrne, L. G. Saywell, and W . V.
Cruess... 83
Bi o l o g i c a l Ma t e r i a l:
Arsenic M icrodeterm ination in. H . J. Morris and II. O. C alvery.
(Correction, 5 9 1 )... 447 B lood Serum, Calcium Determ ination in. II. K. M u rer... 27 Gas Analysis b y M icrom ethod. M . H. Seevers and R. T . S torm ont. 39 Lead Determ ination in. Comparison of Spectrographic, Dithizone,
and Carbazide M ethods. Jacob Cholak, D . M . H ubbard, R . R . M cN ary, and R . V . S to r y ... 488 Lead Determ ination in. P hotom etric Dithizone M ethod. D . M .
H u b b a r d ... 493 Spectrographic Analysis of. II. Bismuth. Jacob C h olak ... 26 Vitamin E Assay. Application to W heat Germ and W heat Germ i Oil. L. S. P alm er... 427 Bismuth Determ ination in Biological M aterial b y Spectrographic
M ethod. Jacob C h ola k ... 26 Bismuth Determ ination in Lead-Zinc Ores b y Internal Electrolysis.
J. J. Lurie and L. B. G insburg... 424 Bituminous Substances, D u ctility of, Im proved M achine for Testing.
R . R . Thurston and C . E. C um m ings... 286 B lood. See Biological Material.
B om b, M icro-, of E lek and Hill, for Volum etric Determ ination o f Iodine. Adalbert Elek and It. A. H a rte... 502 Borax as Acidim étrie Standard. II. F . H . Hurley, Jr... 237 Boron Determ ination b y S pectroscopic M ethod. R . K . Calfee and
J. S; M cIIa rg u e... 283 B rom ide Determ ination. L. A . R cb cr and W . M . M c N a b b ... 529 Brom ide Determ ination, Volum etric. I. M . K olthoff and H . Y u tz y . 75 Buret-Filling D evice for Portable R eagent Reservoirs. N . E. R igler. 436 Butanes, Separating Butenes from . M . P. M atuszak and F . E. F rey. I l l Butanol. See Alcohols.
Butene Determ ination in Refinery Gases. W . A. M c M illa n ... 511 Butenes, Separation of, from Butanes. M . P . M atuszak and F . E.
F re y... I l l Butterfat. See Fats.
C A B L E Insulation Oil, Chem ical Changes in, A ssociated with O xi
dation. R . N . Evans and J. E. D a v en p ort... 321
Ca l c i u m:
D eterm ination:
in B lood Serum. H . K . M u rer... 27 in Salt of High Purity. A. C . Shuman and N . E. B erry... 77 in Small Samples b y Spectroscopic M ethod. D . T . Ewing, M . F .
W ilson, and R . P. H ib b a rd ... 410 M etallic, R ate of Dehydration of E th yl A lcohol with. G . F. Smith
and C . A . G e tz ... 100 Calcium Fluoride in Barite Ores, Analysis of. E . S. H ertzog... 336 Calcium Oxide, Uncom bined, Determ ination in Portland Cement.
D . R . M acPherson and L. R . F orb rich ... 451 Calcium Phosphate Determ ination in Mixtures of Calcium Ortho
phosphates. H . V . Tartar, I. S. C olm an, and L. L. K re tch m a r.. . . 384 Carbazide for Lead Determ ination in Biological Materials. Jacob
Cholak, D . M . H ubbard, R . R . M cN ary, and R . V. S tory ... 488
Ca r b o n:
A ctivated, Determ ination of Odor C oncentration in A ir-Conditioned Structures b y Freezing-out and Osm oscope M ethod, and R ed u c
tion b y. V. A . G ant and H . D . Shaw ... 16 Determ ination:
b y C om bustion. M . W . Renoll, Thom as M idgley, Jr., and A . L.
H enne... 566 in C onstant-Tem perature D evice. Frank Schneider and II. L.
van M a ter... 295 in Gasoline and Other V olatile Liquids. H arry Levin and Karl
U hrig... 326 in Presence o f N itrogen. C. T . G a y ley ... 422 Manom eter for Pressure R egulation of H ydrogen and. W . H .
H am ill... 355 C arbon Black Determ ination in R ubber Goods. E . W . Oldham and
J. G . Harrison, Jr... 278
Ca r b o n Di o x i d e:
Determ ination in Air. J. G . W au gh... 96 Solid, Storage of C arbon D ioxide from , for Dum as Determ inations.
W . H . Hamill and J. A . A licin o... 290 Solid, Used in Generator for M icro-D um as Determ ination of N itro
gen. E . B . Hershberg and G . W . Well w o o d ... 303 C arbon M on oxide Determ ination in Air. A . A . Christm an, W . D .
B lock, and Julius Schultz... 153 Carbonate C ontent of Oil Lye. J. E . S. H a n ... 140 Carbonate M icrodeterm ination with Dilatom eter. B. L . Clarke and
H . W . H erm ance... 597 Carius M ethod. See Halogen.
Carotene Determ ination in Forage b y Guilbert M ethod. W . J. Peter
son, J. S. Hughes, and H. F. Freem an... 71 Carotenoids in Y ellow Corn, Estim ation of. G . L. Clark and J. L.
G rin g... 271 C austic Soda. See Sodium H ydroxide.
603
Cell, Living, Physical Properties and M icrochem ical R eactions of.
R obert Chambers, M . J. K opac, and C. G . G ran d... 143
Cellulose Analysis in Farm W astes. J. D . R eid and D . F . J. L y n c h .. 570
C em ent, Portland, Calcium Oxide Determ ination in. D . R . Mac* Pherson and L. R . F orb rich... 451
Centrifuge, M icro-. W . M a cN ev in ... 356
Cerium D etection b y Arsanilic A cid. J. F. M iller... 181
Cesium Determ ination in Pollucite: J. C . H illyer... 236
R . C . W ells and It. E . Stevens... 236
Chim ney of M etal for Fusions. L. J. Curtm an and Leo Lehrm an 225 Chloride Determ ination. L. A. R eber and W . M . M c N a b b ... 529
C hloroform E xtract of Beet Leafhopper, M icrodeterm ination of. R . A. F u l t o n . . . . ... 437
C hocolate, Fat in, Refractom etric Determ ination of. Joseph Stanley. 132 Chrom ite Ores. See followinq item. Chrom ium Determ ination in Chrom ite Ores. G. F . Smith and C. A . G etz ... 518
Chrom ium Determ ination in Ferrochrom e. G . F . Smith and C. A. G etz ... 378
Circulator. See Stirrer. Citrate Solutions, A cid, Electrodeposition of Zinc from . R . W in chester and L. F. Y n tem a ... 254
C lover, Coumarin Determ ination in. I. J. Duncan and R . B. Dust man ... 471
C lover, Coum arin and M elilotic A cid M icrodeterm ination in. W . L. Roberts and K . P. L in k ... 438
Co a l: Ash Determ ination in High-Carbonate Coal. O. W . R e e s ... 307
Ash, Fusibility of. J. J. Brennan, D . F. M itchell, F. P. Tierney, and W . C . 1 hom pson ... 106
Plasticity, Apparatus for Precise Measurements at H igh Tem pera tures. H. K . Griffin and H. H . S torch ... 280
C obalt M icrodeterm ination, C olorim etric. C. P. Sideris... 145
C od Liver Oil. See Oils, Fish. Co l o r i m e t r y: Arsenic in Biological Materials, M icrodeterm ination of. H . J. M orris and H . 0 . C alvery. (Correction, 5 9 1 )... 447
C obalt M icrodeterm ination. C . P. Sideris... 145
Ferric Thiocyanate C olor D eveloped in 2-M ethoxyethanol, Intensity and Stability of. H . W . W in sor... 453
H op Analysis, Soft Resins in. D . E. B ullis... 267
Iron b y o-Phenanthroline M ethod. L. G . Saywell and B. B . Cun ningham ... 67
M anganese M icrodeterm ination in Plants or Soil. C. P. S id e ris .. . 445
Potassium M icrodeterm ination. C . P . Sideris... 145
Silicate R ocks, Determ ination of Copper, Zinc, and Lead in. E. B. Sandell... 464
Spectrophotom etry in. M . G . M ellon ... 51
Co m b u s t i o n An a l t s e s: C arbon and H ydrogen. M . W . Renoll, Thom as M idgley, Jr., and A . L. H enn e... 566
C arbon and H ydrogen in Gasoline and Other Volatile Liquids. H arry Levin and Karl U hrig... 326
Gas, b y Capillary C om bustion Unit. B. E . Christensen and R obert C arlton ... 400
Constant-Pair M ethod. See Platinum. Co p p e r De t e r m i n a t i o n: in Lead-Zinc Ores b y Internal E lectrolysis. J. J. Lurie and L. B. G insburg...•... 424
Quantitative M ethods Compared. H. W . Foote and J. E . V a n c e .. . 205
in Silicate R ocks. E . B . S a n d e ll. ... 464
b y Spot Test. Herman Y a g o d a . ... 79
C orn, Y ellow , Estim ation of Carotenoids in. G . L. Clark and J. L. G rin g... 271
C orrespondence 250, 533 Cottonseed M eal, Gossypol Estim ation in. F. H . S m ith ... 517
Cottonseed Meal, G ossypol Extraction from , with Different Ethers. J. O. Halverson and F. H . S m ith... 516
Co u m a r i n: D eterm ination in Sweet C lover. I. J. Duncan and R . B . D ustm an. 471 D eterm ination in Vanilla E xtract. I. J. Duncan and R. B. Dustm an 416 M icrodeterm ination in C lover. W . L. R oberts and K. P. L in k .. . . 438
Crucibles of Perforated Platinum, Support for. W . M . T hornton, Jr. 95 Crystallization Apparatus, Enclosed, lor L aboratory. J. D . Piper and N. A. K erstein... 403
Crystals. M icrocrystalline Profiles and Silhouettes, Angular C on stants of. A. C . Shead... 496
Cube. See Insecticides. D E N S IT Y M icrodeterm ination b y F alling-D rop M ethod. Seymore H ochberg and V . K . La M e r ... 291
D ental Alloys, Platinum in, Spectrographic D eterm ination. J. J. M anning and James C o u ll... 28
Derris. See Insecticides, Dialysis, Protein. F . W . Bernhart, L . E . Arnow, and A. C . B r a tt o n .. 387
Dialyzer, E lectro-, for Serum Protein. D . B. R oxburgh and M . H. P ow er... 578
D iethylene G lycol, Ester Saponification b y Potassium H ydroxide in. C. E. Redem ann and H . J. L ucas... 521
2,4-D ihydroxyacetophenone, Ferric Iron Determ ined b y. S. R . C oop er... 334
Dilatom eter for M icrogasom etric Analysis. B . L. Clarke and H. W . H erm ance... 597
Diphenylguanidine as Standard in N eutralization Processes. W . M . T hornton, Jr., and C . L. C h rist... 339
Di s t i l l a t i o n: Apparatus: B ubble-C ap Still o f Glass, H undred-Plate Semiautom atic, for Laboratory. J. H . Bruun and W . B. M . Faulconer... 192
B ubble-C ap Still for Low -B oiling Materials, T w enty-Plate, for Laboratory. J. H. Bruun and S. D . W e st... 247
M icro-, for Fractionation. L. C . C ra ig ... 441
M olecular Stills, Constant-Tem perature Bath for. O. A . N elson and H. L. H aller... 402
Pressure Regulator for Vacuum D istillation. R . L. E m erson and R . B. W ood w a rd ... 347
V acuum Flash Unit and, for L aboratory. C . E . W inters and J. E . H ed rick ... 1S9 M oisture Determ ination b y . H . N . Calderw ood and R . J. Pie chowski... 520
VOL. 9, NO. 12 Di t h i z o n e: for Copper, Zinc, and Lead Determ ination in Silicate R ock s. E . B. Sandell... \ : ... 464
for Lead Determ ination in Biological M aterial. Com parison of Spectrographic, D ithizone, and Carbazide M ethods. Jacob Cnolak, D . M . H ubbard, R . R . M cN ary, and R . V . S to r y 488 for Lead D eterm ination in Biological Material b y Photom etric M ethod. D . M . H u b b ard ... 493
for Zinc Estim ation. P. L. H ib b a rd ... 127
D octor Test. See M ercaptans. D ry Ice. See C arbon D ioxide, Solid. D u ctility of Bitum inous Substances, M achine for Testing. R . R. Thurston and C. E . C um m ings... 286
Dumas M ethod. See Nitrogen. Dyes for Food, Determ ination of 2-Naphthylam ine, Aniline, and o- T olu id in ein . O. L. E venson, J. A . Kim e, and S. S. F orrest... 74
E L E C T R O D E S : Glass: Errors of. W . C. Gardiner and H. L. Sanders... 274
Low-Resistance. H . M ouquin and R. L. G arm an ... 287
for Rare Earth Salt Studies. J. A . C . Bowles and H . M . Par tridge... 124
Sensitive and Durable. A . E . C am eron... 436
M etallic, Enclosed in Glass. O. J. Stewart and W . L. C a r r u t h .. . . 581
Quinhydrone. Verner Schom aker and D . J. B row n ... 34
E lectrodialysis. See Dialysis. El e c t r o m e t r y: A cid Titration in Oxidized Petroleum Oils. A. R . R escorla, F . L. Carnahan, and M . R . F enske... 505
Apparatus. Salt Bridge. W . M . Bright and E . L. M iller... 346
B oiler W ater and Condenser Leakage, M easurem ent of Foam ing and Prim ing of. Richard U lm er... 172
C opper and Bismuth D eterm ination in L ead-Zinc Ores b y Internal Electrolysis without Diaphragms. J. J. Lurie and L. B. Ginsburg. 424 G lycerol T itration with Dichrom ate. Procter & G am ble C om pany, Chemical D iv ision ... 514
Silver Determ ination. H . R obinson and H . H u g g ... 565
E lek-H ill M icrobom b. See B om b. Eleostearic A cid Determ ination in Tung Oil. P . S. K u . (Correction, 5 8 8 )... 103
Enzym es, Oil Differentiation and B utterfat A dulteration Determ ined by. K . V . Giri and P. N. B hargava... 395
E ster Analysis b y Saponification with Potassium H ydroxide in D i ethylene G lycol. C. E. Redem ann and H . J. L ucas... 521
E thyl A lcohol. See Alcohols. E thyl Ethers, G ossypol E xtraction with Various L ots of. J. O. Hal verson and F. II. S m ith ... 516
E thylene G lycol, Calcium Oxide Determ ination in Portland Cement by. D . R . M acPherson and L. R . F orb rich ... 451
E thylene G lycol Determ ination in D ilute Aqueous Solution. A. G. H o v c y and T . S. H odgins... 509
Extraction Apparatus for Liquids with Im m iscible Solvents of Greater D ensity. L. H . B riggs... : 250
Extraction Apparatus for M onoam ino A cids. D . W . W o o lle y ... 433
F A R M W aste, Cellulose Analysis in. J. D . R eid and D . F. J. L y n ch . 570 Fats, B utter, Adulteration D etected b y E nzym ic H ydrolysis. K . V. Giri and P. N. B hargava... 395
Ferric Iron. See Iron. Ferric T hiocyanate C olor D eveloped in 2-M ethoxyethanol, Intensity and Stability of. H . W . W insor... 453
Ferrochrom e, C hrom ium Determ ination in. G . F. Smith and C. A . G etz ... 378
Ferron, Iron Determ ination with. H . W . Swank with M . G . M ellon. 406 Fiber, Crude, Apparatus for Determ ining. C . E . W eakley, Jr., and T . B . Leith ... .*... 194
Films, Thin. Preparation of. T . P . Sager... 156
Filter Crucible, M icrochem ical. A . J. B ailey... 490
Filter, M acro- or M icro-G ooch. R . E . D u n b ar... 355
Fish Oil. See Oil. Flexom eter. See R ubber. Fluorescent M ethod for Aluminum . C . E . W hite and C. S. L o w e . ... 430
Fluorescent M ethod for Vitam in Bi (R iboflavin or L actoflavin). S. M . W eisberg and I. L evin ... 523
Fl u o r i n e: Determ ination in Barite Ores as Calcium Fluoride. E. S. H ertzog. 336 Determ ination, Interference of Phosphorus in. H . V . Churchill, R . W . Bridges, and R . J. R o w le y ... 222
Titration in Aqueous Solutions b y Thorium Nitrate. R . J. R ow ley and H . V . Churchill... 551
Foaming. See W ater, Boiler. _ F ood Dves, Determ ination o f 2-Naphthylam ine, Aniline, and o- Toluidine in. O. L. Evenson, J. A . Kim e, and S. S. F orrest... 74
Forage, Carotene D eterm ination in. W . J. Peterson, J. S. Hughes, and H. F. Freem an... 71
Freezing-out M ethod. See Odor. # Freezing Point Determ ination, Apparatus for. D . Quiggle, C. O. Tongberg, and E . M . F r y ... 579
Fuel, M otor, Reaction of Alcohol-Gasoline Blends to D octor Test. W . K . M cPherson and L. M . Christensen... 433
Furfural Analysis in Mixtures with M ethylfurfural. E . E . Hughes and S. F. A cree... 318
Fusel Oil. See Alcohols. Fusions, Chim ney o f M etal for. L. J. Curtm an and L eo L e h r m a n .. . . 225
G A S E S : Analysis, Capillary C om bustion U nit for. B . E. Christensen and R obert C a rlton ... ... 400
A pparatus. Thermoregulator. R . M . K ingsbury... 333
Apparatus. W ashing or Absorption Unit for Laboratory. M . W . Brenner and G . L. P ola n d ... 480
Butene Determ ination in, from Refinery. W . A . M cM illa n ... 511
H ydrogen Determ ination in Mixtures ¡¡of, b y New Solution. D . T . B onney with W . J. H u ff... 157
Microanalysis. IV . Nitrous Oxide and M ethane. F. E. Blacet and D . H. V olm a n . ... 44
M icroanalysis for B iological Studies. M . H . Seevers and R . T . Storm on t... 39
M icrogasom etric Analysis with Dilatom eter. Carbonate R adical. B. L. Clarke and H. W . H erm ance... 597 INDUSTRIAL AND ENGINEERING CHEMISTRY
DECEMBER 15, 1937 ANALYTICAL EDITION Oxygen Determ ination in, in Small Quantities. I. J. W . M acIIattie
and J. E. M acon achie... 364 Storage, Vessels for. Julius Sendroy,... Jr... 190 Gasoline Blends with A lcohol. See Fuel, M otor.
Gasoline, C arbon and H ydrogen D eterm ination in. Harry Levin and Karl U hrig... 326, Glass E lectrode. See Electrodes.
Glassware, Static Charges R em oved from . F. W . van Straten and W . F. E h ret... 443
Gl y c e r o l:
Determ ination in Dilute Aqueous Solution. A . G. H ovey and T . S.
H odgins... 609 Determ ination in D ilute Solutions Containing Oxidizable Impurities.
W . E . S h a efer.. ... 449 T itration with Dichrom ate b y Electrom etric M ethod. Procter &
Gam ble C om pany, Chemical D iv ision ... 514 G lycol Determ ination in D ilute Solutions Containing Oxidizable Im
purities. W . E . Shaefer... 449
Go l d:
Determ ination:
b y Dim ethylglyoxim e. S. 0 . Thom pson, F. E. Beamish, and M . S cott... 420 in Presence o f Platinum M etals. F. E . Beamish, J. J. Russell, and
J. Seath... 174 b y R ecovery of M inute A m ounts from Solution. W . E. Caldwell
and K . N. M c L e o d ... 530 Separation from Platinum M etals b y Silver Assay Bead. F. E.
Beamish and M . S cott... 460
Separation from Tellurium and Selenium b y Hydroquinone. J.
Seath and F. E . Beam ish... 373 G ooch Filter. See Filter.
G ossypol Estim ation in Cottonseed M eal. F. H . Sm ith... 517 G ossypol E xtraction from Cottonseed M eal with Different Ethers.
J. O. Halverson and F. H . S m ith... 516 Grapes, Iron C ontent of. John Byrne, L. G. Saywell, and W . V.
Cruess... 83 Guilbert M ethod. See Carotene.
H A L O G E N :
A lk yl and A ryl, Determ ination in Presence of E ach Other. W . H.
R au scher... 503 in Organic Com pounds, M icro-, Semim icro-, and M acrodeterm ina
tion. W . H . Rauscher ... 296 in Organic Com pounds, Semim icro- and M icro-Carius Determ ina
tion. R . H . Kim ball, H . H . W ittenburg, and D . E . M acFadyen. 48
He a t Ap p a r a t u s:
Electric. Fritz B reuer... ... 363 Thermoregulator for D irect C ontrol o f E lectric Circuit in Heating
Bath. F . E . H olm es... ; ... 481 Thermoregulator for Gas. R . M . K in g sb u ry . ... 333 H ops, C olorim etric Determ ination of Soft Resins in. D . E . B u llis .. 267
Hy d r o c a r b o n s:
Butene Determ ination in H ydrocarbon Gases. W . A . M cM illan. 511 Butenes Separated from Butanes. M . P. M atuszak and F. E. F rey. I l l Freezing Point, Apparatus for Determ ining. D . Quiggle, C. O.
Tongberg, and E . M . F r y ... 579 Kauri Butanol M icrotest for Solvent Power of. II. E . L. Balde-
schwieler, M . D . M organ, and W . J. T roeller... 540 Liquefied, Drying b y Physical M ethod. E . E . R o p e r . ... 414 Oils, Graphic Analysis of, b y E xtraction with Sulfuric A cid. C . H.
Fisher and Abner E isner... 366 Sulfur M icrodeterm ination in, b y M odified Lamp M ethod. Victor
Z a h n ... 543 Sulfur M icrodeterm ination in Refined Kerosenes b y M odified Lamp
M ethod. E dward Field and F. H. D em pster... 547 (See also Organic C om pounds, Petroleum , and kind o f hydrocarbon.)
Hy d r o g e n:
D eterm ination:
b y C om bustion. M . W . R enoll, Thom as M idgley, Jr., and A. L.
H enn e... 566 in C onstant-Tem perature D evice. Frank Schneider and H . L.
van M a ter... 295 in Gas Mixtures b y New Solution. D . T . B onney with W . J.
H u ff... 157 in Gasoline and Other Volatile Liquids. H arry Levin and Karl
U hrig... 326 Pressure Regulation, M anom eter for. W . H. H a m ill... 355 H ydrogen-Ion C oncentration of Rare Earth Salts Determ ined b y Glass
E lectrode. J. A . C. Bowles and H . M . Partridge... . ... 124 H ydrom eter, Baum6, C orrection T able for Sodium H ydroxide Solu
tions. John Grisw'old... 388 H ydroquinone, G old Precipitation b y . F . E . Beamish, J. J. Russell,
and J. Seath • 174
Hydroquinone, Gold Separation from Tellurium and Selenium by. J.
Seath and F . E . B ea m ish ... 373
IM P A C T Machine. See R ubber Testing.
Insecticides. R otenone Determ ination in Derris and C ube. H. A .
Jones... 206
Insects. Beet Leafhopper, M icrodeterm ination of Chloroform Extract
of. R . A. F u lton ... 437 Insulation for Cable, Oil as. C hem ical Changes Associated with
Oxidation. R . N. Evans and J. E . D a v en p ort... 321 Iodate Microdeterm ination. V. J. Anhorn and H . H u n t... 591 Iodine. Determ ination b y Elek-H ill M icrobom b . Adalbert E lek
and R . A . H arte... 502 7-Iodo-8-hydroxyquinolinfr-5-sulfonic A cid. See Ferron.
Iodom etric M ethod of Sugar Analysis, E ffect of Tim e on. H . S.
M iller... 37 Iridium . See Platinum Metals.
Ir o n De t e r m i n a t i o n:
b y Colorimetric o-Phenanthroline M ethod. L. G . Saywell and B . B. C unningham ... 67 Ferric, b y 2,4-D ihydroxyacetophenone. S. R . C oop er... 334 with 7-Iodo-8-hydroxyquinoline-5-sulfonic A cid (Ferron). H . W .
Swank with M . G . M e llo n ... 406 in Ores by Spectrophotom etric M ethod. J. P. M e h lig . ... 162 in Small Samples b y Spectroscopic M ethod. D . T . Ewing. M . F.
W ilson, and R . P. H ibb a rd... 410 by W ood ’s M etal R eductor. G. F. Smith and C . S. W ilcox ... 419
K A U R I B utanol M icrotest for Solvent Power. II. E . L. Balde- schwieler, M . D . M organ, and W. J. T roeller...
Kerosene, Refined, Sulfur M icrodeterm ination in, b y M odified Lamp M ethod. Edward Field and F. H . D em pster...
Kj e l d a h l Me t h o d:
Apparatus:
for Digestion. W . M . C lark...
Fum e Absorber for Digestions. H . G. C assidy...
M icro-. J. E. S cott and E. S. W est...
Nitrogen and C arbon Determ ination in Same Sample. C. T.
G a y ley...
L A C Q U E R . See Paint.
Lactoflavin. See Vitam in B*.
Lane and E ynon T itration. See Sugar.
Latex. See R ubber.
Le a d:
Assay B utton for Osmium Determ ination. J. J. Russell, F. E . Beamish, and J. Seath...
Determ ination:
in B iological M aterial. Comparison of Spectrographic, D i- thizone, and Carbazide M ethods. Jacob Cholak, D . M . H ub
bard, R . R . M cN a ry , and R . V. S tory ...
in B iological M aterial by Photom etric D ithizone M ethod. D . M . H u b b ard... ..
in Silicate R ocks. E . B. Sandell...
Impurities in, M icrodeterm ination and Separation of. I. Tin.
B. L. Clarke, L. A. W ooten, and J. D . Struthers...
Ores of Zinc and, Determ ination of C opper and Bismuth in. L. L.
Lurie and L. B. G insburg...
Lead Peroxide Determ ination. J. N. M rgudich and G. L. C la r k .. . . Level, Suspended, Measurem ent of V iscosity and Other Properties of Liquids b y. Leo Ubbelohde. (Correction, 4 1 8 )...
Lignin. See W ood.
Lim e. See Calcium Oxide.
Li q u i d s: .
E xtraction Apparatus for, with im m iscible Solvents of Greater Density. L. H . B riggs...
Measurem ent of V iscosity and Other Properties of, b y Suspended Level. Leo Ubbelohde. (C orrection, 4 1 8 )...
Oxygen Determ ination in, in Small Quantities. I. J. W . M ac- Hattie and J. E . M a con achie...
Storage Vessels for. Julius Sendroy, Jr...
Lu b r i c a t i n g Oi l:
A cid C ontent as Measure of Deterioration. A . R . Rescorla, F . L.
Carnahan, and M . R . Fenske...
M icrom ethod for Determ ining V iscosity of. Harry L evin ...
Oxidized, from Petroleum , Electrom etric T itration of Acids in.
A. R . Rescorla, F. L. Carnahan, and M . R . F enske...
M A G N E S IU M :
Determ ination in Salt of H igh P urity. A. C . Shuman and N . E . B erry...
Determ ination in Small Samples b y Spectroscopic M ethod. D . T . Ewin^, M . F . W ilson, and R . P. H ibb a rd ...
Separation as Oxalate in Concentrated A cetic A cid. P. J. Elving and E . R . C a ley...
M anganese Determ ination in Small Samples b y Spectroscopic M ethod.
D . T . Ewing, M . F. W ilson, and R . P. H ib b a rd ...
M anganese M icrodeterm ination in Plants or Soil b y Colorimetric M ethod. C . P. Sideris...
M anom eter. See Pressure Apparatus.
Manuscripts, N ote on Preparation o f ... 1 M elilotic A cid, M icrodeterm ination in C lover. W . L. R oberts and K .
P. L in k ...
M elting Point B lock of Berl and Kullm ann M odified. F. W . Berg
strom ...
M ercaptans, D octor T est for, in Alcohol-G asoline Blends. W . K . M cPherson and L. M . Christensen...
M ercurous Chloride Determ ination in M ercury Ores. J. J. F a h e y .. .
Me r c u r y:
Cleaning, R apid M eth od for. H . F. E asly...
D eterm ination in M ercury Ores. J. J. F a h ey ...
Seal for Stirrers. L. H . Briggs...
M etals of Platinum Group. See Platinum.
M etals, W hite, Arsenic Determ ination in. C . W . A nderson...
M ethane in Gases, M icroanalysis of. F . E . Blacet and D . H. V olm an.
2-M ethoxyethanol, Intensity and Stability of Ferric T hiocyanate C olor D eveloped in. H . W . W in sor...
M ethylfurfural Mixtures with Furfural, Analysis of. E. E . Hughes and S. F . A cree...
Mi c r oc h e m i s t r y:
A cetyl Determ ination. E . P . C lark...
Apparatus:
Balance R oom of M icroanalytical L aboratory. W . R . K ir n e r .. . Balances Highly Sensitive to Tem perature. Fritz B reuer...
C arbon D ioxide Generator for Dumas Determ ination of N itrogen.
E. B . Hershberg and G . W . W ell w o o d ...
C entrifuge. W . M a cN ev in ...
C onstant-Tem perature D evice for Pregl C arbon-H ydrogen D e termination. Frank Schneider and H . L. van M a ter...
Filter Crucible. A . J. B ailey...
Filter, M a cro- or M icro-G ooch . R . E . D u n b ar...
for Fractional Distillation. L. C. C raig...
K jeldahl. J. E . S cott and E. 8. W est...
M anom eter for C arbon and H ydrogen Pressure R egulation. W . H . H am ill...
R eaction Vessel. D . S. B in nington...
Arsenic Determ ination in Biological M aterial. H. J . M orris and H . O. C alvery. (Correction, 5 9 1 )...
Beet Leaf hopper, Determ ination of C hloroform E xtract of. R . A.
F u lton ...
Cell, Living, Reactions of. R obert Chambers, M . J. K opa c, and C.
G . G ran d...
C obalt Determ ination b y Colorim etric M ethod. C . P . Sideris____
Coum arin Determ ination in C lover. W . L . R oberts and K . P.
L in k . ... ...
C rystalline Profiles and Silhouettes, Angular Constants of. A . C . Shead...
D ensity D eterm ination b y F alling-D rop M ethod. Seym ore H och berg and V . K . La M e r ...
540 547
338 478 50 422 605
475
488 493 464 349 424 256 85
250 85 364 190
574 147 505
77 410 558 410 445 , 306 438 340 433 477 82 477 168 569 44 453 318 539 300 354 303 356 295 490 355 441
50 355 353 447 437 143 145 438 496 291
INDUSTRIAL AND ENGINEERING CHEMISTRY VOL. 9, NO. 12 Gas Analysis. IV . N itrous Oxide and M e thane. F. E . B lacet
and D . H. V olm a n ... 44 Gas Analysis M ethod for B iological Studies. M . H . Seevers and
R . T . S torm ont... 39 G asom etric Analysis with Dilatom eter. Carbonate R adical. B.
L. Clarke and II. W . H erm ance... 597 Glassware, R em oval of Static Charges from . F. W . van Straten
and W . F. E h ret... 443 Halogen Determ ination:
A lkyl and Aryl. W . H . R au scher... 503 in Organic Com pounds b y M icro-, Semim icro-, and M acro
m ethods. W . H . Rauscher... 296 in Organic Com pounds b y Semim icro- and M icro-Carius M ethods.
R . H. Kim ball, H . H. W ittenburg, and D . E. M a cF a d y e n .. . . 48 Iodate Determ ination. V. J. Anhorn and H . H un t... 591 Iodine Determ ination b y E lek-Hill M icrobom b. Adalbert Elek
and R . A . H a rte... 502 Kauri Butanol Test for Solvent Power. II. E. L. Baldeschwieler,
M . D . M organ, and W . J. T roeller... 540 Lead:
Determ ination in B iological Material b y Photom etric Dithizone M ethod. _ D . M . H u b b ard... 493 D eterm ination in B iological Materials. Com parison of Spectro-
g
aphic, Dithizone, and Carbazide M ethods. Jacob Cholak, . M . Hubbard, R . R . M cN ary, and R . V. S tory ... 488 Separation and Determ ination of Impurities in. I. Tin. B. L.Clarke, L. A. W ooten , and J. D . Struthers... 349 Lubricating Oils, V iscosity Determ ination of. Harry L ev in 147 M anganese Determ ination in Plants and Soil b y C olorim etric
M ethod. C . P. Sideris... 445 M elilotic A cid Determ ination in C lover. W . L. R oberts and K . P.
L ink ... 438
M icrogram Samples, Qualitative Analysis of. General Technic.
A . A . Benedetti-Pichler... 483 N icotine Determ ination b y Silicotungstic Acid M ethod. J. R .
Spies... 46 N itro Group in Organic C om pounds, Semimicro Test. W . M .
Hearon and R . G. G u sta v son ... .•... 352 N itrogen:
Analysis in Pyrimidines. D . F. Haym an and Sol A dler... 197 Determ ination with Air-Free C arbon Dioxide. Fritz B r e u e r ... 354 Determ ination in R efractory Substances. J. R . Spies and T . H.
H arris ... 304
Oxygen Determ ination in Organic Substances b y H ydrogenation.
W . R . K irner... 535 Paper as M edium for A nalytical Reactions. I. Im provem ents in
Spot Test Technic. B . L. Clarke and H . W . H erm ance... 292 Pigm ent Analysis in Fossae of Incisions o f Chinese Oracle Bones.
A . A. Benedetti-Pichler... 149 Potassium Determ ination b y Colorim etric M ethod. C . P. Sideris. . 145 Pycnom etric Analysis, New M ethod in. W . W . R ussell... 592 Section on, Started in 1937... 1 Selenium Group of N oyes and B ray A nalyzed. A. A . Benedetti-
Pichler and J. R . Ilachele... 589 Sulfate Determ ination b y V olum etric Chrom ate M ethod. G . G.
M anov and P. L. K irk ... 198 Sulfur Determ ination:
in H ydrocarbons b y M odified Lamp M ethod. V ictor Z a h n 543 in Organic Com pounds. William Saschek... 491 in R enned Kerosenes b y M odified Lam p M ethod. E dward Field
and F. II. D em pster... . ... 547 Zinc Determ ination by Spectrographic and Chem ical M ethods.
L. H . Rogers and O. E. C a ll... 42 Mineral Oil. See Petroleum .
Moisture. See W ater.
M olecular Distillation. See Distillation.
M orphine, Extraction of M inute Amounts with Pyrogallol. C. E.
M orga n ... 383
2 -N A P H T H Y L A M IN E Determ ination in F ood Dyes. 0 . L.
Evenson, J. A. Kim e, and S. S. F orrest... 74 Neoprene. See R ubber, Synthetic.
Neutralization, Diphenylguanidino as Standard in. W . M . Thornton, Jr., and C. L. C hrist... 339 Nickel Determ ination b y Spot Test. Herman Y a g od a ... 79 N icotine Determ ination b y Silicotungstic A cid M icrom ethod. J. R .
Spies... 46 N itro G roup in Organic Com pounds, Semim icro Qualitative Test. W .
M . Hearon and R . G . G u stavson ... 352
Ni t r o g e n:
D eterm ination in Presence of C arbon. C . T . G a y le y ... 422 Determ ination in W ater. N. W . Rakestraw and V. M . E m m e l.. . . 344 Dumas M icrodeterm ination:
w ith Air-Free C arbon Dioxide. Fritz B reuer... 354 C arbon Dioxide Generator for. E . B. Hershberg and G. W . W ell-
w ood ... 303 in Pyrimidines. D . F. H aym an and Sol A d ler... 197 in R efractory Substances. J. R . Spies and T . H . H arris... 304 Storage of Carbon Dioxide from D ry Ice for. W . H . Hamill and
J. A . A licin o... 290
(See also K jeldahl M ethod.) ^
Nitrous A cid, A rom atic Amines T itrated with. Joseph Phillips and Alexander L o w y ... 381 Nitrous Oxide in Gases, M icroanalysis of. F. E. Blacet and D . H.
V olm a n... 44 Norris and F a y M ethod. See Selenium.
N oyes and Bray Selenium G roup. See Selenium.
O D O R Concentration in A ir-C on ditioned Structures. Determ ination b y Freezing-out and Osm oscope M ethod and R eduction b y A ctivated Carbon. V. A. Gant and H . D . Shaw... 16 O dor Determ ination in W ater, Apparatus for. W . B . H a rt... 243
Oi l« :
Differentiation b y E nzym ic H ydrolysis. K . V. Giri and P. N.
B hargava... 395 Fish:
C od-L iver, Vitam in A C ontent of. Comparison o f Spectrophoto- m etric and Chem ical M ethods. A. D . Holmes, Francis Tripp, and G . H . Satterfield... 456
Determ ination in Fish Flash . M . E . Stansby and J. M . L e m o n .. 341 Liver, Vitam in A Measurement b y Photoelectric M ethod. R. L.
M cFarlan, J. W . R eddie, and E. C. M errill... 324 Lubricating. See Lubricating Oils.
Mineral. See Petroleum.
Sulfonated, Fractionation and C om position of. R alph H a rt 177 Tung, Determ ination of Eleostearic Acid in. P. S. K u. (Correction,
5 8 8 )... 103 W heat Germ, Biological Assay of V itam in E in. L. S. Palm er 427
Or e s:
Barite, Analysis of, C ontaining Calcium Fluoride. E . S. H e r t z o g .. 336 Chrom ite, Chrom ium Determ ination in. G . F . Smith and C . A.
G etz ... 518
Iron Determ ination in, b y S pectrophotom etric M ethod. J. P.
M eh lig... 162 Lead-Zinc, Determ ination of C opper and Bism uth in. J. J. Lurie
and L. B. G insburg... 424 M ercury, Determ ination of Mercurous Chloride and T otal M ercury
in. J. J. F a h ey... 477
Or o a n i ö Co m p o u n d s:
Elements in, D etection of. R . H . Baker and Charles B arkenbus 135 Halogen D eterm ination in, b y M icro-, Semim icro-, and M a cro
methods. W . H . R auscher... 296 Halogen Determ ination in, b y Semim icro- and M icro-Carius M ethod.
R . H. Kim ball, H . H. W ittenburg, and D . E . M a cF a d y en ... 48 N itro Group in, Semim icro Test for. W . M . Hearon and R . G.
G ustavson... 352 Oxygen Determ ination in, b y Hydrogenation. Paul G oodloe and
J. C. W . Frazer... 223 Oxygen Microdeterm ination in, b y H ydrogenation. W . R . K irn e r.. 535 Sulfur Determination in. William Saschek... 491 Organic Finishes. See Paint.
Osmium. Sec Platinum M etals. , Osm oscope M ethod. See Odor.
Oxidizing Agent. Sodium Chlorite in Volum etric Analysis. D . T . Jackson and J. L. Parsons. (Correspondence, G. R . L evi: Parsons, 2 5 0 )... 14
Ox v o e n:
Determ ination in Organic C om pounds b y H ydrogenation. Paul G oodloe and J. C. W . F razer... 223 D eterm ination of Small Quantities o f t in Gases and Liquids. I. J.
W . M acIIattie and J. E . M acon achie... 364 M icrodeterm ination in Organic Substances b y H ydrogenation. W .
R . K irner... 535 Oxyquinone Derivative Solutions, Barium, Sulfur, and Sulfate D e
terminations b y. S. J. K o c h o r... 331 Ozonizer for L aboratory. W . Sheehan and W . C a r m o d y ... 8
P A I N T :
Organic Finishes, Distensibility Measurem ent of. A. E . Schuh and H. C . Theu erer... 9 Test Films of Shellac and Other Finishes Produced Uniform ly. P.
F. Bruins... ... 376 Thinners, Kauri Butanol Test for Solvent Power of. II. E . L.
Baldeschwieler, M . D . M organ, and W . J. T roeller... 540 Vehicle Films, Preparation of. Free of Supporting Foundation.
E. H. B ay or and L. K a m p f... 49 Palladium, Colloidal, in Reagent with Sodium Protalbinate for H y
drogen Determ ination in Gas Mixtures. D . T . B onney with W . J.
H u ff... 157 (See also Platinum M etals.)
Paper as M edium for A nalytical R eactions. I. Im provem ents in Spot T est Technic. B. L. Clarke and H . W . H erm ance... 292
Pa r t i c l e Si z e:
Average Diam eter of Particles Just Passing 325-M esh Sieve. S. S.
F ritts... 180 Distribution Measured b y Optical M ethods. H . E. Schw eyer 211 of R ubber Pigments Measured. D . L. G am ble and C . E . B a r n e t t.. 310 Perchloric A cid, C hrom ium Determ ination in Ferrochrom e b y Phos
phoric Acid and M ixed Sulfuric and. G . F. Smith and C . A. G e t z .. 378 Peroxide, Vanadium Determ ination b y. E. R . W right with M . G.
M ellon... 375
Pe t r o l e u m:
Fractions, Light, Analysis of. S. S. Kurtz, Jr., and C. E . H eading-
t o n ... 21
Fractions, Physical and Chem ical Properties of. H . T . Rail. (C or
rection )... 222 Insulating Oil, Chem ical Changes Associated with Oxidation. R .
N. Evans and J. E . D a v en p ort... 321 Mineral Oil Solutions, Arsenic Determ ination in. J. B. Lewis and
E. L. Baldeschwieler... 405 Oils, Phosphorus Determ ination in. Paul G o o d lo e ... 527 Products, Dark. D eterm ining Aniline Point of. Leon D o n n 202 (See also Asphalt, D istillation, Gasoline, H ydrocarbons, and Lubri
cating Oil.)
o-Phenantnroline M ethod for Iron Determ ination. L. G . Saywell and B. B. C unningham ... 67 Phosphates, Determ ination of Prim ary, in Presence of O rtho. H . V.
Tartar, I. S. Colm an, and L. L. K retchm ar... . 384 Phosphoric A cid, C hrom ium Determ ined in Ferrochrom e b y, with
M ixed Perchloric and Sulfuric A cids. G. F . Smith and C. A . G etz . 378
Ph o s p h o r u s:
Analysis of Crude Phosphorus and Sludges Containing Phosphorus.
E . H . Brown, H . H. M organ, and E . R . R u sh ton ... 524 Determ ination:
in Oils. Paul G o od loe... 527 b y Photoelectric M ethod. C. W . E d d y and F loyd D e E d s 12 in Small Samples b y Spectroscopic M ethod. D . T . E wing, M .
F. W ilson, and R . P. H ibb a rd ... ... 410 Interference in Fluorine Determ ination. H . V . Churchill, R . W .
Bridges, and R . J. R o w le y ... >... 222 Phosphotungstate M eth od for Vanadium . E . R . W right with M . G.
M ellon... 251
Ph o t o e l e c t r i c De t e r m i n a t i o n s:
Lead in Biological Material b y Dithizone M ethod. D . M . H ubbard. 493 Phosphorus. C . W . E d d y and F loyd D eE d s ... 12 Phosphorus in Oils. Paul G ood loe... 527 Starch Gelatinization Tem perature. D . H . C ook and J. H . A xt
m ayer... 226 Sugars and Their Solutions G raded b y Reflectance and Transm it-
tancy. J. C . Keane and B . A . B rice ... 258
DECEMBER 15, 1937 ANALYTICAL EDITION 607 Vitam in A in Oils. R. L. M cFarlan, J. W . R eddie, and E. C.
M errill...
Piezometer R ing. C. P. Baker and A . J. Ivom ich...
Pigments, Microanalysis of, in Fossae of Incisions of Chinese Oracle Bones. A. A. B enedetti-Pichler...
Pipet, A utobubbler. M ilton B urton and T . W . D a v is...
Pl a n t Ma t e r i a l:
Fiber, Crude, Apparatus for Determ ining. C . E. W eakley, Jr., and T . B. L eith... .••••...
M anganese in, C olorim etric M icrodeterm ination. C. P. Sideris. . . R espiratory A ctivity of. Determ ination of C arbon Dioxide in Air.
J. G. W au gh ...
Sugar Determ ination in. W . Z. H assid...
Zinc Microdeterm ination in. L. H. Rogers and O. E. G a ll...
Plasticity Measurements at High Temperatures, Apparatus for. H . K . Griffin and H . H . S torch...
Pl a t i n u m:
Crucibles, Support for. W . M . T hornton, Jr...
Determ ination. S. O. Thom pson, F. E . Beamish, and M . S c o t t .. . Determ ination, Spectrographic, b y Constant-Pair M ethod. J. J.
M anning and James C ou ll...
M etals:
Analysis b y Silver Assay Bead. F. E . Beamish and M . S c o tt--- D etection of. S. O. Thom pson, F. E . Beamish, and M . S c o t t .. . . G old Separation from . F. E. Beamish, J. J. Russell, and J. Seath.
Osmium Determ ination in Presence of, b y Lead Assay Button. J.
J. Russell, F. E. Beamish, and J. Seath...
Surface Effects on Silver Assay Beads. E . C. Forbes and F. E.
Beam ish...
Pollucite. See Cesium Determ ination.
Po t a s s i u m:
Determ ination b y Trisodium Cobaltinitrite. L. V. W ilcox ...
Determ ination in Small Samples b y S pectroscopic M ethod. D . T . Ewing, M . F. W ilson, and R. P. H ib b a rd ...
Estim ation in Silicates and Soils. J. E. Gieseking and H. J. Snider.
M icrodeterm ination b y Colorim etric M ethod. C. P. Sideris . Potassium Dichrom ate, Glycerol Titration with, b y Electrometric M ethod. Procter & Gam ble C om pany, Chemical D ivision ...
Potassium H ydroxide, Ester Saponification b y , in Diethyleno Glycol.
C . E . Redemann and H. J. L u c a s .. . . ...
Potassium Permanganate, Arsenious Oxide in Standardization of. H.
A. B right...
Pr e s s u r e Ap p a r a t u s:
M anom eter for C arbon and H ydrogen. W . H . H am ill...
M anom eter, Sloping. M ilton B u rton ...
Piezometer Ring. C. P. Baker and A. J. K om ich ...
Regulator for Vacuum D istillation. R . L. Emerson and R . B.
W ood w a rd ...
n-Propylarsonic Acid, Zirconium Determ ination in Steels b y. H . H.
Geist and G. C. C handlee...
Protein Dialysis. F. W . Bernhart, L. E. Arnow , and A . C . B r a tt o n ..
Protein Serum, Electrodialyzer for. D . B . R oxburgh and M . H.
P ow er... . ...;...
Pulp, M oisture Determ ination in. A. J. B a iley ...
Pycnom eter, Self-Filling. G. F. H ennion...
P ycnom etric M icroanalysis, New M ethod in. W . W . R ussell...
Pyrimidines, Nitrogen in, Microanalysis of. D . F . H aym an and Sol A dler...
Pyrogallol, M orphine Extraction with. C. E . M orga n ...
Q U A R T Z D eterm ination in Presence of Silicates. W . R . Line and P. W . A radine...
Quinhydrone Electrode. See Electrodes.
R A R E Earth Metals and C om pounds. Thermal Analysis of Nitrate M ixtures. L. L. Quill, R . F. R ob ey , and Sam S eifter...
R are Earth Salts, Precipitation and pH Studies with Glass Electrode.
J. A. C . Bowles and H . M . P artridge...
R eductor, W ood ’s M etal as. G . F. Smith and C . S. W ilcox...
R efractive Index of Strontium Nitrate. M . L. Yakow itz and P . S.
Jorgensen...
Refractom etric Determ ination of F a t in C hocolate. Joseph S ta n le y ..
R efractory Materials, Nitrogen Determ ination in. J. R . Spies and T . H . H arris...
Resins, A lkyd. G lycerol and Ethylene G lycol Determ ination in D ilute Aqueous Solution. A. G. H ov ey and T . S. H o d g in s .. . . . R espiration A ctiv ity of Leaves. C arbon D ioxide Determ ination in
Air. J. G. W au gh ...
Respiration. C arbon M onoxide Determ ination in Air. A. A . Christ
man, W . D . B lock, and Julius Schultz...
R hodium . See Platinum M etals.
R iboflavin. See Vitam in Bj.
Rosin Saponification Number, Influence of Solvent on. W . C . Sm ith.
R osin, Unsaponifiable M atter in, D eterm ination of. I. E . K n a p p .. . . Rotenone. See Insecticides.
Ru b b e r:
Carbon Black Determ ination in. E . W . Oldham and J. G. Harrison, Diarylam ine Determ ination in. D a vid C raig...
Films, Thin, Preparation of. T . P. Sager...
Flexometer, G oodrich. E . T . Lessig...
Latex:
Examination. II. Chemical Testing M ethods. D . E . Fowler Exam ination of, and of Com pounds of. I. Physical Testing
M ethods. H . F . Jordan, P. D . Brass, and C . P. R o e ...
Testing Procedure, Physical. L. A . W oh ler...
Pigments. Particle Size and Size Distribution Measurements b y Scattering in the Near Infrared. D . L. Gam ble and C. E . B arnett... :...
Sulfur Determ ination in, b y Tetrahydroxyquinone as Titration In
dicator. R . T . Sheen, H . L. Kahler, and D . C. C lin e...
Synthetic. Neoprene as Vibration Absorber. F. L. Y erzley...
Testing b y Im pact M achine. G . J. A lb erton i... ...
Tires. Testing Tread C om pounds b y A ir-B om b Aging. E . W . B ooth and D . J. B eaver...
as Vibration Absorber. F . L. Y erzley ...
Vulcanization. Zinc Oxide Curing R ate in, T-50 Test for. G . S.
Haslam and C . A . K lam an ...
S A L T . See Sodium Chloride.
Salt Bridge for E lectrom etric Measurements. W . M . Bright and E . L. M iller...
Sawdust. See W ood.
Se le n iu m:
324 Determination, Qualitative. H . A. L ju n g ... 328
533 Determ ination V olum etrically b y Norris and F ay M ethod. W . C. Colem an and C . R . M cC rosk y ... 431
149 Group of Noyes and B ray, M icroanalysis of. A . A . B enedetti- 139 Picnler and J. R . R ach ele... 589
Separation from G old and Tellurium . J. Seath and F. E . B eam ish. 373 Serum Protein. See Protein. 194 Shellac T est Films, Uniform , Production of. P. F. B r u in s ... 376
445 Silicate, D eterm ination of Quartz in Presence of. W . R . Line and P . W . Aradine... 60
96 Siljcate, Estim ation of Potassium in. J. E. Gieseking and II. J. Snider. 232 228 Silicate R ocks, Copper, Zinc, and Lead Determ ination in. E. B. 42 Sandell... 464
Silicon Determ ination in Aluminum and Aluminum A lloys. H . V . 280 Churchill, R . W . Bridges, and M . F. Lee. (Correspondence, L. H . Callendar; Churchill, Bridges, and Lee, 5 3 3 )... 201
9 5 Bilicotungstic Acid M icrom ethod for Determ ining N icotine. J. R . 420 Spies... 46
Sil v e r: 28 A ssay Bead for Analysis of Platinum M etals. F. E. Beamish and M . S co tt... 460
400 Assay Beads, Surface Effects of Platinum M etals on. E. C. Forbes 420 and F. E . B eam ish... 397
17 4 Determ ination b y E lectrom etric M ethod. H . R obinson and H . H u g g... 565
4 7= Determ ination b y R ecovery o f M inute Amounts from Solution. W . E . Caldwell and K . N. M c L e o d ... 530
3 9 7 Siphon Starting D evice. T . W . C handler... 249
Soap Analysis and Sampling, R evised Standard M ethods. F. W . Smither, R . E . Divine, C . P. Long, M . L. Sheely, H . P . T revithick, jo ß and P. H . W alker... 2
Soap. G lycerol Titration with D ichrom ate b y E lectrom etric M ethod. 4 , 9 Procter & Gam ble C om pany, Chem ical D iv is io n . ... 514
232 Sodium Amalgam with Zinc, Analysis of. H . A . L iebhafsky... 176
Sodium Determ ination b y Uranyl Zinc Acetate M ethod. R em oval of Phosphorus. O. R . Overm an and O. F. G a rrett... 72
5t4 Sodium Acetate Analysis. C . B . H urd and W illiam Fiedler, Jr 116 Sodium Carbonate, A nhydrous, as Reference Standard in A cidim etry. 521 Smith and G . F . C ro a a ... 141
Sodium Chloride of High Purity, Determ ination of Sulfate, Calcium, and Magnesium in. A . C . Shuman and N. E. B e rry ... 77
Sodium C hlorite as Volum etric Oxidizing Agent. D . T . Jackson and J. L. Parsons. (Correspondence, G. R . L evi; Parsons, 2 5 0 ). 14 « o c Sodium Hy d r o x id e: 533 Carbonate C ontent of Oil Lye. J. E . S. H a n ... 140
C oncentration Determ ined b y Baum6 H ydrom eter C orrection 04 7 Table. John G risw old... 388
Ester Saponification by, in D iethylene G ly col. C. E. Redemann ig g and H . J. Lucas... 521
og7 Sulfur C ontent Estimated. Gustave Heinemann and H. W . R ah n . 458 Sodium Protalbinate-Palladium R eagent for H ydrogen Determ ination k7q in Gas Mixtures. D . T . B onney with W . J. H u ff... 157
egg Sodium Thiosulfate, Stability of. V . K . La M er and H. M . Tom lin son 588 47g Soil, Manganese in, Colorim etric M icrodeterm ination. C . P . Sideris. 445 *Q9 Soil, Potassium in, Estim ation of. J. E . Gieseking and H. J. Snider. . . 232
S olvent Power, Kauri Butanol M icrotest for. II. E . L . Balde- i g7 schwieler, M . D . M organ, and W . J. Troeller... 540
333 S pectru m A n a ly s e s : Bismuth in B iological M aterial. Jacob C h ola k ... 26
B oron D eterm ination. R . K . Calfee and J. S. M cH a rg u e... 288
n Carotenoids in Yellow Corn. G. L. Clark and J. L. G n n g ... 271
00 in Colorim etry. M . G. M ellon ... 51
Iron in Ores. J. P. M eh lig... 162
Lead in Biological Materials. Jacob Cholak, D . M . Hubbard, R . R . M cN ary, and R . V. S tory ... 488
389 M etal in Small Samples. Calcium, Magnesium, Potassium, M a n ganese, Iron, and Phosphorus. D . T . Ewing, M . F . W ilson, and 124 R . P. H ibb a rd ... 410
419 Particle Size and Size Distribution Measured b y Scattering in the Near Infrared. D . L. Gam ble and C. E . B arnett... 310
204 Platinum Determ ination b y Constant-Pair M ethod. J. J. M anning 132 and James C öu ll... 28
Quantitative, Logarithm ic Sector M ethod in. H . A. W ilh elm 170 304 Vanadium b y Peroxide M ethod. E. R . W right with M . G . M ellon. 375 Vanadium b y Phosphotungstate M ethod. E. R . W right with M . 509 G. M ellon ... 251
Vitam in A C ontent of C od Liver Oil. A . D . Holmes, Francis Tripp, 96 and G . H . Satterfield... 456
Zinc in Plants b y M icrom ethod. L. H. Rogers and O. E. G a ll 42 153 Spot Test, Confined, Applications in A nalytical C hem istry. Herman Y a g od a ... 79
Spot Test T echnic Im proved. Paper as M edium for A nalytical R e- 469 actions. I. B . L. Clarke and H. W . H erm ance... 292
315 Starch Gelatinizing Tem perature, Photoelectric M eth od for D eter mining. D . H . C ook and J. H . A xtm ay er... 226
Steel, Zirconium Determ ination in, with n-Propylarsonic A cid. H. H . Geist and G. C. C handlee... 169
278 St ir r e r s: 56 C irculator, N oncorrodible, for Liquids. K . A . Freeman and P. J. 156 T hom pson... 532
582 Gas-Tight, for Pasty Materials in L aboratory. A . H . M a u d e 196 M ercury Seal for. L. H . B riggs... 168
63 Sealed. Lionel Joseph... 212
Strontium Nitrate, R efractive Index Determ ination. M . L. Yakow itz 182 and P. S. Jorgensen... 204
117 Su g ar: Analysis, Iodom etric, E ffect of Tim e on. II. S. M iller... 37
D eterm ination in Plants. W . Z. H assid... 228
310 Products, Determ ination o f Ash C ontent by Sulfated Ash M ethod. R . Valdez and F. C am ps-Cam pins... 35
69 Products, T urbidity in. V. C olor and T urbidity of Hard Refined 392 Sugars. F. W . Zerban and Louis Sattler... 229
30 R aw , A bsolute T urbidity of. F. W . Zerban and Louis Sattler 455 R educing, E lectric Heater for Lane and E yn on T itration of. D . T . 18 Englis and E. G. L y n n ... 314
392 W hite, and Sugar Solutions, Photoelectric Grading b y Reflectance and Transm ittancy. J. C . Keane and B. A . B rice... 258
552 Sulfate Dete rm in atio n: Areametric, as Barium Sulfate. V . R . Damerell and P. S p re m u lli.. 123
b y M icrovolum etric C hrom ate M ethod. G. G . M anov and P . L. K irk ... 198
346 in Salt of High Purity. A . C . Shuman and N . E. B erry ... 77
Volum etric. S. J. K o c h o r... 331
VOL. 9, NO. 12 Sulfonated Oila. See Oils.
Su l f u r:
Determ ination, Volumetrie. S. J. K o c h o r ... 331 M icrodeterm ination:
in H ydrocarbons b y M odified Lam p M ethod. V ictor Z a h n 543 in Organic Com pounds. W illiam Saschek... 491 in Refined Kerosenes b y M odified Lam p M ethod. E dward Field
and F. H . D em pster... 547 R educible, Estim ation of, in Sodium H ydroxide. Gustave H einc-
mann and H . W . R a h n ... 458
Sulfuric A cid, C hrom ium Determ ination in Ferrochrom e b y Phos
phoric A cid with M ixed Perchloric and. G . F . Smith and C . A . G etz ... r . . . . ... 378 Sulfuric A cid, H ydrocarbon Oil, Graphic Analysis b y Extraction with.
C . H . Fisher and Abner E isner... 360
T A R Acids and Bases, Determ ination b y E xtraction M ethods. C . H . Fisher and Abner E isner . ... 213 Tartrates, Beryllium Separation in Presence of. H . S. M iller... 221 Tellurium Separation from G old and Selenium. J. Seath and F. E.
Beam ish... 373 Thermoregulator. See H eat Apparatus.
Thorium Nitrate, Fluorine Titration in Aqueous Solutions b y . R . J.
R ow ley and H. V . C hurchill... 551 T in as Im purity in Lead, Separation and Determ ination of. B. L.
Clarke, L. A. W ooten, and J. D . Struthers... 349 Tires. See R ubber Tires.
Ti t r a t i o n: .
of Acids in Oxidized Petroleum Oils b y E lectrom etric M ethod. A.
R . Rescorla, F. L. Carnahan, and M . R . F enske... 505 of Amines, A rom atic, with Nitrous A cid. Joseph Phillips and
Alexander L o w y ... 381 Flask for Determ ining Saponification Value of Asphalts and As
phaltic Oils. J. E . Fratis and D . H . C o n d it... 576 of Fluorine, in Aqueous Solutions b y Thorium Nitrate. R . J.
R ow ley and H . V. C hurchill... 551 of Glycerol with D ichrom ate b y E lectrom etric M ethod. Procter
& Gam ble C om pany, Chem ical D iv is ion ... 514 T ob a cco Moisture Content, Determ ination of. R . M . C one and L.
H . D a v is... . . ... 219 c-T oluidine D eterm ination in F ood D yes. 0 . L . Evenson, J. A.
K im e, and S. S. F orrest... 74 Transform er, A uto-, with Variable V oltage. D . H . C o o k ... 248 Trisodium C obaltinitrite, Potassium Determ ination by. L. V . W ilcox . 136
Tung Oil. See Oils. . . . . .
Turbidim etry. Particle-Size Distribution Measured b y Optical M ethods. H . E . Schw’ey e r... 211
U R A N Y L Zinc Acetate M eth od for Sodium Determ ination. O. R . Overm an and O. F . G a rrett... 72 Urea, Aluminum Determ ination b y Precipitation with. H . H . W illard
and N. K . T a n g ... 357 V A N A D I U M Determ ination b y Peroxide M ethod. E . R . W right
with M . G . M ellon ... 375 Vanadium Determ ination b y Phosphotungstate M ethod. E . R .
W right with M . G . M ellon ... 251
Vanilla E xtract, Coum arin Determ ination in. I. J. D uncan and R . B. D ustm an... 416 Vapor Pressure, Low , Apparatus for D irect Determ ination of. K . C .
l>. Hickm an, J. C. Hecker, and N. D . E m bree... 264 Varnish. See Paint.
Viscosity Measurem ent b y Suspended Level. Leo U bbelohde. (C or
rection, 4 1 8 )... 85
Vi t a m i n s:
A in C od Liver Oil. Com parison of Spectrophotom etric and Chem ical M ethods. A. D . Holmes, Francis T ripp, and G . H . Satter
field... 456 A in Oils Measured b y Photoelectric M ethod. R . L. M cFarlan,
J. W . R eddie, and E. C. M errill... 324 B2 (R iboflavin or Lactoflavin), Estim ation b y Fluorescent M ethod.
S. M . W eisberg and I. L evin ... 523 E , B iological Assay of. A pplication to W heat Germ and W heat
Germ Oil. L. S. Palm er... 427
W A S T E . See Farm Waste.
Wa t e r:
Boiler C om pound, Feeding D evice for. J. L. S m ith ... 330 Boiler Foaming and Priming, E lectrom etric M easurem ent of.
R ichard U lm er... 172 M oisture D eterm ination b y D istillation. H . N . C alderw ood and
R . J. Piechow ski... 520 M oisture Tester, R apid. E gbert F rey er... 434 Odor Determ ination in, Apparatus for. W . B . H a rt... 243 Sea, Nitrogen Determ ination in. N. W . Rakestraw and V . M .
E m m el... 344 W eights, Calibration of. F. H . H urley, Jr... 239 W heat Germ, Biological Assay of Vitam in E from . L . S. P a lm er 427 W hisky. See Beverages, Alcoholic.
W hite M etals. See M etals.
W ine. See Beverages, A lcoholic.
W ood Chips, Sawdust, and Pulp, M oisture Determ ination in. A . J.
B ailey... 568 W ood Pretreatment with H ot D ilute A cid. E ffect on Lignin Values.
W . E . C ohen and E . E. H arris... 234 W o o d ’s M etal. See A lloys.
Z I N C :
Amalgam with Sodium, Analysis of. H . A. L iebhafsky... 176 Determ ination in Silicate R ocks. E . B . Sandell... 464 E lectrodeposition from A cid C itrate Solutions. R . W inchester and
L. F. Y n tem a ... 254 E stim ation in Small Am ounts b y Dithizone M eth od. P . L. H ib
b a r d ... 127 M icrodeterm ination in Plants b y Spectrographic and Chem ical
M ethods. L. H. R ogers and O. E. G a ll... 42 Ores of Lead and, Determ ination of C opper and Bism uth in. J. J.
Lurie and L. B. G insburg... 424 Zinc Oxides in R ubber C om pounds, T -50 Test for. G . S. Haslam
and C . A . K la m an... 552 Zirconium Determ ination b y Arsenate M eth od. W . C . Schum b and
E. J. Nolan. (A ddendum , 5 6 2 ) ... #... 371 Zirconium Determ ination in Steels with n-Propylarsonic A cid. H . H.
Geist and G. C. Chandlee... 169
