SUBJECT INDEX
INDUSTRIAL AND ENGINEERING CHEMISTRY
ANALYTICAL EDITION
VOLUME 1 — 1929
A IK , Autom atic A pparatus for Determ ination of Small C oncentra
tions of Sulfur Dioxide in— II. M. D. Thom as and J. N. Abersold . . 14
Air-Gas R atio A pparatus, Improved. C. Z. Rosecrans... 130
Alcohol, Rapid Dehydration of— Using Barium Oxide and M etallicCalcium. G. F. S m ith...^... ; ... 72
Alkalies, D eterm ination of T rue Sodium C ontent of Calcium C arbonate Intended for Use in J. Lawrence Sm ith M ethod for. E. R. C nley... 191
Alloy, Sodium-Potassium , Convenient M ethod for Preparing.Aluminum and Iron Oxides, M agnesium Oxide, and Calcium Oxide, Thom as M idgley, Jr., and A. L. H cnne Pierce and W. C. Setzer... D eterm ination of—in Portland Cem ent, R apid M ethod. J. S... 7323 Analysis, Q uantitative, w ith Spectrograph. C. C. N itchie... 1
A pparatus. See kind of apparatus.Arsenic, Im provem ents in Dcnigds Colorimetric M ethod for PhosAsphalt, D eterm ination of Specific G ravity of—by M eans of H yAvocados, Use of Rcfractom etric M ethod in D eterm ination of Oil in.phorus and. Emil T ruogand A. H. M eyer... 130drom eter. H. R. Berry, E. H. Sm ith, and F. R. Lang . ... 104B. R. Lesley and A. W. C hristie... 24
B A R IU M Oxide and M etallic Calcium, Rapid D ehydration of Alcohol Using. G. F. S m ith... .. . ... ; ... 72
Barium Sulfate, Decomposition of—by Solutions of Sodium Carbonate. Edw ard W olesensky... 29
Bases, T otal Replaceable, D eterm ination of—in Soils. R. II. Brayand F. M . W illhite... . ... 144
Benzidine Sulfate and Benzidine H ydrochloride, Solubility of— in Biochemical Oxygen Dem and, Comparison of D ilution and Absorption Hydrochloric Acid Solutions. W. B. M cldrum and I. G. N ewlin. . . . 231M ethods for D eterm ination of. G. E. Sym ons with A. M . Buswcll. 214 Biochemical Oxygen Demand of C ertain Substances. G. E. Symons with A. M. Buswcll... : • •.•... 161
Bitum inous Substances, Semi-Solid, Rapid D eterm ination of SpecificG ravity of. S. E. Bcrkenblit... 39
Borate, Notes on Estim ation of—in N atural W aters. M. D. Foster 27
Bottle for Accurate Weighing of Volatile Liquid M ixtures. Z. Blasz-Bottles, W ash, Simple G raduated. E. R. C aley... 162kow ska... 170
Buret Clamp and Holder. M arion Holliugsworth... 233
Burets and Pipets, Rapid Calibration of. A. T. Shohl... 132
C A LC IU M Carbonate, D eterm ination of T rue Sodium Content of—- Intended for Use in J. Lawrence Sm ith M ethod for Alkalies. E. R. Caley... 191
Calcium , D eterm ination of Inert Gas C ontent of Gas M ixtures byCalcium, M etallic, and Barium Oxide, R apid D ehydration of AlcoCalcium Oxide, M agnesium Oxide, Iron and Aluminum Oxides, DeM eans of—as Absorbent. M artin Lcatherm an and E. P. B artlett. . 223hol Using. G. F. Sm ith... term ination of—in Portland Cem ent, R apid M ethod. J. S. Pierceand W. C. Setzer... 2572 Ca r b o n: Blacks, D eterm ination of Free M oisture in. C. M . C arson. ... 225
Device for—and Hydrogen Analysis of Volatile, Explosive, andEasily Carbonizable Organic Liquids. M . G. Sevag... 16
T otal, D eterm ination of—in Soils. Eric W inters, Jr., and R. S.S m ith... 202
Total, M odification of P arr's—D eterm ination in Coal. R. E. Brewer and E. P. H arding... 145
Carbon Disulfide, Colorimetric M ethod for D etection and D eterm ination of—and Sulfur in Fluids. J. A. Pierce... 227
Carbon M onoxide, D eterm ination of Small Amounts of—in Ethylene.W. M . Wei ton and N. L. D rake... 20
Carbon Monoxide, Simplified Iodine Pentoxidc A pparatus for D eterm ination of—in Flue Gas. F. E. Vanda veer and R. C. G regg... 129
Ce l l u l o s e: Alpha-, Determ ination of. R eport of A. C. S. Com m ittee, G. J.R itter, C hairm an... 52
D eterm ination of—and Amount of Chlorine Consumed in Its Isolation. M . W. B ray... 40
Reaction of—with Phenylhydrazine Acetate. C. J. Stuud andH. LcB. G ray... 80
Standard M ethod for Determining Viscosity of—in Cupram m onium Hydroxide. A. C. S. Com mittee on Viscosity of Cellulose,E. K. Carver, Chairm an... 49
Ck n e n t, Po r t l a n d: Calculation of Compounds in. R. 11. Bogue... Determ ination of Iron and Aluminum Oxides, Magnesium Oxide, Setzer... and Calcium Oxide in—Rapid M ethod. J. S. Pierce and W. C. 19225 C hart of Indicators Useful for pH M easurements. C. E. Davis and H.M. Salisbury... 92
Chemicals, A nalytical Reagent. Recommended Specifications for.A...C. S. Com mittee on Analytical Reagents, W. D. Collins, Chairm an... • •- 171
C hlorine, D eterm ination of Cellulose and Amount of—Consumed in ItsIsolation. M . W. B ray... 40
C hrom e Ores, Analysis of. T. R. Cunningham and T. R. M cN eill... . 70
Co a l: . . Bitum inous, Electrostatic M ethod for Determ ining Fusain in. J. D.D avis and J. A. Y ounkins... 165
Determ ination of M oisture C ontent of—and Similar Substances.M anfred M annheim cr... 154
M odification of P arr’s Total Carbon D eterm ination in. R. E. ^ Brewer and E. P. H arding... 145•
Coils, Inductor, for H igh-Frequency Furnace. C. N. Schuettc . . . 141
Columns, Rectifying or Fractionating. See Distillation. Condensers, Largc-Cupacity Laboratory. D. F. O thraer... 153
C onductivity M easurem ents, Electrical, Fiber-Saturation Point ofWood as Obtained from. A. J. Stam m ... 94
Containers for C austic Solutions. B. A. Soule... 109
C ornstalk, Chemical Exam ination of Tissue of. C. J. Peterson andR. M . H ixon. . . ... 05
Corrosion, Superiority in—Resistance N ot Found in L eviathan’sP lates... 51
Corrosion-Testing A pparatus. D. F. O thiner... 209
Cupram m onium Hydroxide, Standard M ethod for D eterm iningViscosity of Cellulose in. A. C. S. Com mittee on Viscosity of Cellulose, E. K. Carver, C h airm an ... 46
Cupric Oxide as Standard in lodim etry. T. F. Buehrer and C. M.M ason... 68
D EN IG i$S Colorimetric M ethod for Phosphorus and Arsenic, Im provem ents in. Emil Truog and A. H. M eyer... 136
D etonation, Standardization of Conditions for M easuring—C harD im ethyl-a-N aphthylam ine for D eterm ination of N itrate Ion. F. G.acteristics of M otor Fuels. R. Stansfield and F. B. T hole... 98G erm uth... 28
Di s t i l l a t i o n: Coated Spiral Fractionating Columns. Thom as M idgley, Jr.. . . , . 86
Large-Capacity Laboratory Condensers. D. F. O thm cr... 153
Modified—A pparatus for Chemical Engineering Laboratory. W. L.Bcuschlein... 43
Problems in Estim ation of U nsaturated H ydrocarbons in Gas. I —Separation by Fractional D istillation. ^ H. S. D avis... 61
Rectifying Columns with Non-Siphoning Bubbling-Cap Plates,J. H. B ruun... 212
Vacuum, Receiver for. E. J. P oth... I l l Vacuum, Simple Pressure Regulator for. H. L. Cox... 7
ELECTR O D E: Bimetallic, for T itrations Involving a Change in Hydrogeu-lonConcentration. R. M . F uoss... 125
Glass, Tests of New Type of. D. A. M aclnnes and M alcolm D ole.. . 57
Holder for Arc Spectrum Analysis. L. L. Quill and P. W. Selwood.. . 180
Electrolytic Board for D eterm ination of Lead. W ith Com ments ou Lend D istrict. O. W. Holmes and D. P. M organ... 210Procedure for Lead in Low-Grade Tailings of Southeast Missouri Ethylene, D eterm ination of Small Amounts of Carbon Monoxide In.W. M . W elton and N. L. D rake... 20
Extractor, Continuous L aboratory—for Liquids. A. W. Francis Extractor, Soxhlet, Large M etal. L. R. B ryant (B. M. Pilhnshy, 231). 13915 FLASK, Self-Em ptying Suction, for Sugar D eterm inations. G ilbert P itm an ... 113
Flour, W heat, Color of. > A. C. H ardy, P. I. Cole, and C. W. Ricker, Jr. 151 Flowmeter, Self-Regulating Gas. Lym an Chalkley, J r... 74
Fluids, Colorim etric M ethod for D etection and D eterm ination ofCarbon Disulfide and Sulfur in. J. A. Pierce... 227-
Fluorine Com pounds, Analysis of Insecticides Containing. Leslie Ila rt...; . ... 133
Fluorspar, D eterm ination of Silica in Presence of. W. T. Schrenk and W. H. O de... .. .. ... 201
Form aldehyde, Q uantitative D eterm ination of—in PharmaceuticalPreparations. Oscar H eim .. . ... 128
Fractionating Columns. See D istillation. ’Fuels, M otor, Standardization of Conditions for M easuring the D eto nation C haracteristics of. R. Stansfield and F. B. Thole... 9S Fungicides. L aboratory M ethod for M easuring Relative Adhesive Qualities of Fungicidal Dusts. R. C. W illiam s... 81
Fu r n a c e s: Boiler, D eterm ination of Sulfur C ontent of Gases from. Edm und Taylor and H. F. Johnstone. . . . . ... *97
D eterm ination of Iron Oxides in Acid Steel—Slags. G. T. D ougherty... ^... 163
High-Frequency, Inductor Coils for. C. N. Schuette. ... 141
Fusain, Electrostatic M ethod for Determ ining—in Bitum inous Coal. J. D. Davis and J. A. Y ounkins... 165 GAS:Air—R atio A pparatus, Improved. C. Z. Rosecrans... 156D eterm ination of Inert— C ontent of— M ixtures by M eans of CalciumD eterm ination of Sulfur C ontent of—from Boiler Furnaces. E dFlowmeter, Self-Regulating. Lyraan Chalkley, J r ... 74Flue, Simplified Iodine Pentoxidc Apparatus for Determ ination of N atural Gasoline, Analyses of—before and after Treatm ent. H . C.M anom eter for D eterm ination of—in Vapors. D. F. O thm er... 46Problem s in Estim ation of U nsaturated Hydrocarbons in. I—Sepaas Absorbent. M artin Leatherm an and E. P. B artlett... 223m und Taylor and H. F. Johnstone... 197Carbon Monoxide in. F. E. Vandavccr and R. C. G regg.... 129A llen... ration by Fractional Distillation. H . S. D avis... SI226
Oetobcr 15, 1929
IN D U S T R IA L A N D ENGINEERING CHEMISTRY237
Gasoline, X -R ay Q uantitative Analysis of T etraethyl Lead in. R. H.Aborn and R. II. Brown... . ... 20
Gelatin, Action of Papain on Polarization of. New M ethod of M easurG elatin, Standnrd, Specifications for. Report of A. C. S. Committee,ing Proteolytic A ctivity. II. C. G ore... ... C. E. Davis, C hairm an... 50203 H YD ROCARBONS, U nsaturated, Problems in Estim ation of—in Gases. I—Separation by Fractional Distillation. II. S. Davis. . . . 01
Hydrochloric Acid Solutions, Solubility of Benzidine Sulfate and BenziHydrogen, Device for Carbon and— Analysis of Volatile Explosive and II YDKOGIiN-1 ON CONCENTRATION:H ydrom eter, D eterm ination of Specific G ravity of Asphalt by M eans dine Hydrochloride in. W. B. M eldrum and I. G. N cw lin Easily Carbonizablc Organic Liquids. M. G. Sevag... 10of. H. R. Berry, E. II. Sm ith, and E. R. Lang... 104Bimetallic Electrodes for T itrations Involving Chauge of. R. M.C hart of Indicators Useful for pH M easurements. C. E. Davis undExam ination of Possible Indicators to Determ ine pH of AlkalineSolutions. F. R. M cCrum b and W. R. K enny... 44Fuoss... 125H. M . Salisbury... 1)2 231 IN D ICA TO RS: C hart of— Useful for pH M easurements. C. E. Davis and II. M.Salisbury... ... Exam ination of— to Determ ine pH of Alkaline Solutions. F. R.M cCrum b and W. R. K enny... 44
Stabilized Starch. M . S. N ichols... 215
Insecticides, Analysis of—Containing Fluorine Compounds. LeslieIodim etry, Cupric Oxide as Standard in. T. F. Buehrer and C. M.H art... ^... 133
M ason...^... Iodine Pentoxidc A pparatus, Simplified, for D eterm ination of CarbonMonoxide in Flue Gas. F. E. Vanda veer and R. C. Gregg 120
Iron and Aluminum Oxides, M agnesium Oxide, and Calcium Oxide, Determ ination of—in Portland Cem ent, Rapid M ethod. J. S.Pierce and W. C. Sctzer... 25
Iron Oxides, D eterm ination of—in Acid Steel Furnace Slags. G. T. D ougherty... 103
K jE L D A H L T rap, M odification of. G. H . W. Lucas.. 110
LEA D, Canadian, M ethod for Analysis of M aple Products. D. E. Fowler and J. F. Snell X —Study and Modification of Canadian Lead M ethod... 8
X I— Composition of Canadian Lead Precipitate ... 12
Lead, Electrolytic Board for D eterm ination of. W ith Some ComLeviathan, Corrosion Resistance in Steel Plates on ... 51m ents on the Procedure for—in Low-Grade Tailings of Southeast M issouri Lead D istrict. O. W. Holmes and D. P. M organ... 210
Light Sources, Destructive, Studies of—for Use in AcceleratedLime, H ydrated, Source of E rror in D eterm ination of Plasticity of.W eathering Systems. F. C. Schm utz and D; L. G am ble. • • • ;.,... S3F. C. M athers nnd E. C. Gosncll... 59
^Li q u i d s: _ Continuous Laboratory E xtractor for. A /W . F ran cis. Device for M aintaining C onstant R ate of Flow. J. D. Sullivan ... 23315 M ixtures, Volatile, B ottle for Accurate Weighing. Z. Blaszkowska. 170 Organic, Volatile, Explosive, nnd Easily Carbonizablc, Device forCarbon and Hydrogen Analysis of. M. G. Sevag... 10
Volatile, Simple A pparatus for M easuring Vapor Pressure of. A. W. Francis... 38
M A G N ESIU M Oxide, Calcium Oxide, Iron and Aluminum Oxides, D e term ination of—in Portland Cem ent, Rapid M ethod. J. S. Pierce and W. C. Setzer...•.•••. .• •.•... : * M anganese, Volumetric Determ ination of—as Dioxide. W ith Special Reference to Application of Potassium Brom atc as Oxidizing Agent. I. M . KolthofT and E. B. Sandell. . ... 181
M anom eter for D eterm ination of Gases in Vapors. D. F. O thm cr 46
M aple Products, Analysis of. D. E. Fowler and J. F. Snell:X —Study and M odification of Canadian Lead M ethod... X I— Composition of Canadian Lead P recipitate. ... 128 M ercaptans, Q uantitative D eterm ination of—in N aphtha. P.M icroprcss, Tem perature-Recording, for Studying Course of VulcanizaBorgstrom and E. E. R eid . tion. J. C. W alton... 106... 186
M ixtures, Volatile Liquid, Bottle for Accurate Weighing of. Z.Blaszkowska... 170
Mo i s t u r e: C ontent of Coal and Similar Substances, D eterm ination of. M an fred M annheim cr... ... ; ... 154
D eterm ination of—in Sugar Sirups. E. W. R ice... 31
Total, D eterm ination of—in Carbon Blacks. C. M . C arson... 225
M otion Picture Showing M anufacture of Alloy Steels... 135
N A PH TH A , Q uantitative D eterm ination of M ercaptans in. P. Borgstrom and E. E. R eid... 186
N itrate Ion, D im cthyl-a-N aphthylam ine or D eterm ination of. F . G. G erm uth... 28
N itric Acid Figures, Errors in—in Recent Analytical Books. A. W. Beshgetoor...* ... 02
N itrogen, N itrate, Determ ination of—in Tobacco. II. B. Vickery and G. W. Puchcr... 121
O ILS:Light—Sludge, D eterm ination of Free Sulfuric Acid in. F. S. Bacon... 89
Lubricating, Reaction between—and Phosphorus Pentoxide. C. C. F urnas... 185
M ineral, Specific H eats of. L. M. Henderson, S. W. Ferns, and J. M . M cllvain... 148
Petroleum. See Petroleum. # Use of Rcfractom etric M ethod in Determ ination of—in Avocados. B. E . Lesley and A. W. C hristie... 24
Ores, Chrome, Analysis of. T. R. Cunningham and T. R. M cNeill 70
Ores, Electrically-Heated Therm ocirculator for H ot Leaching and Digesting. M . G. R aeder... 88
PA IN T. Studies of D estructive Light Sources for Use in Accelerated W eathering Systems. F. C, Schm utz and D. L. G am ble... 83
Papain, Action of— on Polarization of G elatin. New M ethod ofPauly Receiver. See Receiver.Peat Profile, Analysis of. R einhardt Thiessen and R. C. Johnson M easuring Proteolytic A ctivity. H. C. G ore... 203 216 Pe t r o l e u m: Crude, Volumetric Estim ation of Sulfur in. Gladys W oodward 117
Oils, Determ ination of Sulfur in. R. C. Grifiin... 167
Oils, Relation between Physical Characteristics and LubricatingValues of... 187
Pharmaceutical Preparations, Q uantitative D eterm ination of Form aldehyde in. Oscar Ileim ..,... 128
Phenol, D eterm ination of—in Presence of Salicylates. E. II. Ham iltonand C. M. S m ith . ... 232
Phenols, Rapid Determ ination of. J. A. Shaw ... 118
Phenylhydrazine Acetate, Reaction of Cellulose with. C. J. Stuudand II. LeB. G ray... 80
Phosphorus, Improvements in Denigds Colorimetric M ethod for—and Arsenic. Emil Truogatid A. II. M eyer. ... 136
Phosphorus Pentoxidc, Reaction between Lubricating Oils and. C. C.Furnas... 185
Pie Plates, Pyrex, for D rying... 105
Pi p e t s: Burets and, Rapid Calibration of. A. T. Shohl... 152
HempcI Gas, Modification of. G. H. W. Lucas... 79
New Automatic. L. N. M arkwood... 82
Plastom eter, New. E. K arrer... 158
Platinum , N ote on Recovery of. G. J. Ilough... 162
Potassium Brom ate as Oxidizing Agent in Volumetric D eterm ination ofPotassium-Sodium Alloy, Convenient M ethod for Preparing.Pressure Regulator for Vacuum D istillations. II. L. Cox... Proteolytic A ctivity, New M ethod of M easuring. Action of Papain onPulp, Frceness Testing as Aid in—Evaluation. D. S. D av is... 47M anganese as Dioxide. I. M . KolthofT and E. B. Sandell... 181Thom as Midglcy, Jr. and A. L. H cnne.; ... 75Polarization of G elatin. H ..C. G ore ;... 2037 R EC EIV ER , Modified Pauly. J. B. Brown... 160
Ru b b e r: Raw, Report of—Specifications Com m ittee. E. B. Spear, C hair m an... .• • • ; ... *... 55
Reduction of—Stress-Strain D eterm inations. W. B. W iegand nndH. A. IJraendlc . 113
Testing, Im portance of Tem perature and H um idity Control in.II—Resistance to Abrasion. A. C. S. Physical Testing Com m ittee, W. A. Gibbons, Chairm an. ... 174
Vulcanization, Tem perature-Recording M icropress for StudyingCourse of. J. C. W alton... 106
Vulcanized, New Fliysical Test for. D. D. W right... 17
SA LICY LA TES, D eterm ination of Phenol in Presence of. E. II. Ham ilton and C. M. S m ith... 232
Samples, Analyzed, Segregation of. G. F. Sm ith, L. V. Ilardy, and E. L. G ard... ... 228
Separator, Air, for Laboratory. R. E. Z in n . . 112
Sewage. Biochemical Oxygen Dem and of C ertain Substances. G. E.Sewage. Comparison of Dilution and Absorption M ethods for DeShaking M achine, U tility. W. M . Shaw ... 93Shellac, N ature and Constitution of. I I —Potientiom etric T itrations Symons w ith A. M . Bus w ell. ... in 95 Per C ent E thyl Alcohol. W. H . G ardner and W . F. W hitterm ination of Biochemical Oxygen Demand. G. E. Sym ons withA. M . Buswell... 214161 m ore...; ... 205
Silica, D eterm ination of—in Presence of Fluorspar. W. T. SchrenkandW . II. O de... 201
Silicates, Occurrence of—in N atural W aters. O. W . R ees... 200
Sodium C arbonate, Decomposition of Barium Sulfate by Solutions of.Edw ard W olesensky...; ... 29
Sodium, D eterm ination of—C ontent of Calcium C arbonate Intendedfor Use in J. Lawrence Sm ith M ethod for Alkalies. E. R. C aley 191
Sodium-Potassium Alloy, Convenient M ethod for Preparing. Thom asMidgley, Jr., and A. L. Ilenne... 75
Soils, D eterm ination of Total Carbon in. Eric W inters and R. S.Sm ith... 202
Soils, D eterm ination of Total Replaceable Bases in. R. H. Bray andF. M . W illhite... 144
So l u t i o n s: Alkaline, Exam ination of Possible Indicators to D eterm ine pH of.F. R. M cCrumb and W. R. K enny... 44
Caustic, Containers for. B. A. Soule... . . : ... 109
Dark-Colored, Application of Vacuum Tube in Falling-Ball M ethodlor. E. M. Symines and E. A. L antz... 35
Soxhlet Extractor. See Extractor. Spain Prom oting Chemical Industry Specific G ravity, D eterm ination of—of A sphalt by M eans of a H ySpecific G ravity, Rapid D eterm ination of—of Seini-Solid Bitum inousSpecific H eats of M ineral Oils. L. M . Henderson, S. W. Ferris, andSpectra, Atomic, D utch Scientist Aids in D efining.. . . . ; Spectrograph, Q uantitative Analysis with. C. C. N itch ie... drom eter. H. R. Berry, E. H . Sm ith, and F. R; L an ^.. ... 164Substances. S. E. B erkenblit... 39J. M. M cllvain %... . . . . 199 1601481 Spectrum , Arc, Analysis, Electrode Holder for. L. L. Quill and P. W.Starch Indicator, Stabilized. M . S. N ichols... 215Starch, Potato, Producers in Czechoslovakia O rganize... Steam Condensation. M anom eter for D eterm ination of Gases inSteel, D eterm ination of Iron Oxides in Acid—Furnace Slags. G. T.Selwood... Vapors. D. F. O thm cr ; . 4618024 D ougherty... 163
Steels, Alloy, M otion Picture Showing M anufacture of... 135
Stibnite, Evaluation of. I— D eterm ination of Sulfur. W. M.M cN abb and E. C. W agner... 32
Still, Continuous, for C onductivity W ater. C. C. D eW itt and G. G.Brown... 109
Su g a r: From Wood, G erm any to Produce... . . . 67
Self-Em ptying Suction Flask for— D eterm inations. G ilbert P itm an... 112
Sirups, D eterm ination of M oisture in. E. W . R ice... 31
238
A N A L Y T IC A L E D IT IO NVol. 1, No. 4
Su l f u r:
Colorimetric M ethod for Detection and Determ ination of CarbonD eterm ination of— C ontent of Gases from Boiler Furnaces. E dDisulfide and—in Fluids. J. A. Pierce...m und Taylor and H. F. Johnstone. ...
D eterm ination of. Evaluation of Stibnite—I. W. M . M cN abband E. C. W agner...
D eterm ination of—in Petroleum Oils. R. C. Griffin...
Volumetric Estim ation of—in Crude Petroleum . Gladys Wood
ward ...*•••...
Sulfur Dioxide, A utom atic A pparatus for D eterm ination of Small Concentrations of—in Air—II. M . D. Thom as and J. N. Abersold.
Sulfuric Acid, Free, D eterm ination of—in Eight-Oil Sludge. F. S.Bacon... ..
Switchboard, Com bination Electrochemical. W. F. M unn...
T E T R A E T H Y L Lead, A nalytical Reactions of. G raham Edgar and George C alingaert...
T etraethyl Lead, X -R ay Q uantitative Analysis of—in Gasoline.E .H . A born and R. H. B row n. ...
Textile Industry, M exican, Im proving... ...Therm ocirculator, Electrically H eated, for H ot Leaching and DigestTherm ostat, H eavy-D uty. D. F. O thm er...Titrations, Bimetallic Electrodes for—Involving Change of HydrogenTitrations, Potentiom etrie, in 95 Per Cent E thyl Alochol. N ature Tobacco, D eterm ination of N itrate N itrogen in. H. B. Vickery anding. M . G. R aeder...and Constitution of Shellac—II. W. H. G ardner and W. F. W hitm ore...Ion Concentrations. R. M . Fuoss...
G. W. Puchcr... 121 T rap, Kjcldahl, Modification of. G. II. W. Lucas... 140 227 VACUUM Tube, Application of—in Falling-Ball M ethod for D ark-
Colored Solutions. E. M . Symmcs and E. A. L antz... 35 Vapor Pressure D eterm inations, Im proved A pparatus for. O. A.
j*“ Pickett... 36 107 Vapor Pressure, Simple A pparatus for M easuring—of Volatile Liquids.A. W. Francis... 38 117 Viscosity. Application of Vacuum Tube in Falling-Ball M ethod forVolumenometer, Improved. A. W. Francis and E. P. O xnard... 169Volumeter, New, Using W ater as M easuring M edium. J. A. Fries Dark-Colored Solutions. E. M. Symines and E. A. L antz... 35 123 208 W A TER :
Conductivity, Continuous Still for. C. C. D eW itt and G. G. Brown. 109 N atural, Notes on Estim ation of Borate in. M. D. F oster... 27 221 W eights for A nalytical Balances, Chrom ium ... 105N atural, Occurrence of Silicates in. O. W. R ees... 200
20 W heat Flour. See Flour.
209 88 WFiber-Saturation Point of—as O btained from Electrical Couduc-o o dtivity M easurements. A. J. Stam m ... 94:
97 Germ any to Produce Sugar from ... 67Inferior, W ider Use fo r...- ... 220 125 Preservatives, Laboratory M ethods of Testing Toxicity of. W ithSuggested Im provem ent of Agar Plate M ethod. H enry S chm itz.. 76 205 X -R A Y , Q uantitative Analysis of T etraethyl Lead in Gasoline. R. H.
Abom and R. II. Brow n... 26
INDUSTRIAL
and Engineering
CHEMISTRY
ANALYTICAL EDITION
PUBLISHED BY THE
American Chemical Society
VOLUME I, 1929
Board of Editors
Editor: H. E. HOWE Assistant to Editor: N. A.
Pa r k i n s o nAssociate Editor: E.
P . Pa r t r id g eAdvisory Board
H.
E . Ba r n a r dJ.
W . Be c k m a n • C.C. E. Co a t e s
A.
D . Li t t l eA.
C. L . Re e s e
G.
D . Ro s e n g a r t e n T .EASTON, PA.
M ACK P R IN T IN G COM PANY 1929
A . Br o w n e V . H . Mo r y B . Wa g n e r
