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The Journal of Industrial and Engineering Chemistry, Vol. 4, Contents

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CONTENTS

J O U R N A L O F IN D U S T R IA L A N D E N G I N E E R I N G C H E M IS T R Y V O L . IV, 1 9 1 2

JANUARY.

Ed i t o r i a l s:

Som e A p p lic a tio n s of W ro u g h t T u n g s te n a n d M o ly b d en u m . .

“ T h e Fello w W h o D o e sn ’t K n o w A n y B e t t e r ” ...

Or i g i n a l Pa p e r s:

D e te rio ra tio n a n d S p o n ta n e o u s H e a tin g of C oal in S to rag e . B y H o ra c e C. P o r te r a n d F . K . O v itz ...

T h e D istilla tio n of A lcohol. B y A . B . A d am s, Chief C hem ist, I n te r n a l R ev e n u e B u r e a u ...

P u r e L in seed O il. B y E . J . S h e p p a rd ...

A rsen ic in G lass. B y S. R . S c h o le s...

T h e D e te rm in a tio n of C h ro m iu m a n d I t s S e p a ra tio n fro m V a n a ­ d iu m in S te e ls. B y J . R . C ain ...

T h e B is m u th a te M eth o d fo r M anganese. B y D . J . D e m o re s t..

S a lt-R is in g B re a d a n d Som e C o m p ariso n s w ith B re a d M ade w ith Y e a s t. B y H e n r y A . K o h m a n ... ..

A R a p id M eth o d fo r th e D e te rm in a tio n o f S u lp h u r in R o a s te d B len d e. B y C. C. N itc h ie ...

J a m a ic a C am p h o r. B y H . W E m e rso n a n d E . R . W e i d le in .. . T h e I n d e x of R e fra c tio n of th e M ixed A cid s of F a t t y O ils. B y W . B . S m ith ...

T h e C hlorine C o n te n t of M ilk. B y P a u l P o e ts c h k e ...

T e m p e ra tu re C o rre c tio n s in R a w S u g a r P o la riz a tio n s. B y W . D . H o r n e ...

La b o r a t o r y a n d Pl a n t:

A n E le c tric L a b o ra to r y F u rn a c e . B y R a y m o n d C. B e n n e r . . . A S till fo r A b so lu te A lcohol. B y R a lp h H . M c K e e ...

A n A u to m a tic P ip e tte . B y T . O. S m ith ...

A N ew M eltin g -P o in t A p p a ra tu s . B y D . S. P r a t t ...

Ad d r e s s e s:

A d d re ss a t th e U n v e ilin g o f th e B u s t o f W o lc o tt G ibbs.

C h arles E . M u n ro e ...

C hem ical In d u s trie s in Sw eden. B y T h o m a s H . N o r t o n . . F u e l E c o n o m y in F a c to rie s. B y C. E . L u c k e ...

B y

D eflo ccu latio n . B y E d w a rd C. A c h eso n ... 62

T h e C h em ist a n d th e C o tto n S eed O il I n d u s t r y in A m erica. B y D a v id W e sso n ... 14 16 17 19 30 33 36 3 No t e sa n d Co r r e s p o n d e n c e: C o rre c tio n : T h e P r e p a ra tio n a n d P ro p e rtie s of M etallic C erium T h e M ék er B u rn e r... I m p o r ts a n d E x p o r ts of F a rm e rs ’ M a te ria ls ... W h a t O u r R iv e rs C a r ry ... C em en t P r o d u c tio n co 1910... ; ... W o rld ’s P ro d u c tio n of C o al... T h e M ineral P ro d u c tio n in N o rth C aro lin a d u rin g 1 9 0 8 - 1 0 . .. . C hief G eologist, G eological S u r v e y ... N a tio n 's Coal P r o d u c tio n ... C u b a Iro n -O re P ro d u c tio n ... G re a te s t Iro n -P ro d u c in g R eg io n in th e W o rld ... . Illin o is Coal P r o d u c tio n ... C oal E x p o r ts in 1910... Oil in A la sk a ... B u re a u o f M ines A p p ro p ria tio n s. C ivil Serv ice E x a m in a tio n ... 4 1 B o o k R e v i e w s : 43 46 47 47 48 51 58 Ne w Pu b l i c a t i o n s. Re c e n t In v e n t i o n s. 64 65 66 66 67 67 67 68 68 68 68 68 68 68 69 P u re F o o d a n d D ru g L a w in M o n ta n a ... 69

69 69 H a n d b o e k te n D ie n ste v a n d e S u ik e rrie t-C u ltu r en d e R eitsu i- k e rfa b ric a g e o p J a v a ; T h e M a n u fa c tu re o f S u lp h u ric A cid a n d A lk a li; D ie M etallu rg ie des W o lfra m s m it b e so n d e re r B eru ec k sic h tig u n g d e r E le k tro m e ta llu rg ie ; A n n u a l T a b le s of C o n sta n ts a n d N u m e ric a l D a ta (C hem ical, P h y s ic a l a n d T e c h n o lo g ic al)... Ma r k e t Re p o r t. 69 70 72 74

FEBRUARY.

Ed i t o r i a l s: P o ta s h fro m th e Pacific K e lp s ... 76

S u rfa ce C o m b u stio n ... 77

P h y s ic a l-In d u s tria l C h e m is tr y ... 79

Or i g i n a l Pa p e r s: Som e P ro b le m s in C hem ical E n g in ee rin g P ra c tic e . M an u fac ­ tu r e a n d T e s tin g of S h ip p in g C y lin d ers fo r A n h y d ro u s A m m o n ia . B y F . W . F re ric h s ... 80

T h e M a n u fa c tu re a n d T e s tin g of C arb o n ic A cid C y lin d ers. B y J o h n C. M inor, J r ... 8 8 T h e C o m p o sitio n o f Som e M ine G ases, a n d a D e sc rip tio n o f a S im p le M e th a n e A p p a ra tu s . B y G. A . B u r r e ll... 96

S a lt-R is in g B re a d a n d Som e C o m p ariso n s w ith B re a d M ade w ith Y e a s t. B y H e n ry A . K o h m a n ... 100

A S tu d y of th e V isco sity o f F ish O ils. B y G eorge F . W h i t e . . . 106

La b o r a t o r ya n d Pl a n t: H a rd n e ss o f P la s te rs a n d C em en ts, a n d a S im p le C h ro n o g rap h ic A p p a ra tu s fo r R e c o rd in g S e t. B y C has. F . M cK e n n a . . 110

R e c e n t Im p r o v e m e n ts in F il tr a tio n M eth o d s. B y E r n s t J . S w e e tla n d ... 114

A n E le c tric S till A d a p te d fo r D ifficult D is tilla tio n s . B y I. C. A llen a n d W . A . J a c o b s ... 118

T h e C arb o n D io x id e R e c o rd e r as a F a c to r in F u e l E c o n o m y . B y E . A . U e h lin g ... » 123

Ad d r e s s e s: M in eral W a s te s: T h e C h em ists’ O p p o rtu n ity . B y C has. L . P a r s o n s ... 125

Pe r k i n Me d a l Aw a r d: In tr o d u c tio n . B y M. C. W h ita k e r... 131

P r e s e n ta tio n A d d re ss. B y C. F . C h a n d le r... 132

A d d re ss of A c ce p ta n c e. B y H e rm a n F r a s c h ... 134

G eology of ■ Jae S u lp h u r a n d S u lp h u r Oil D e p o sits of th e C o astal P la in . B y C a p ta in A . F . L u c a s ... 140

S u lp h u r M ines o f th e U n io n S u lp h u r C o m p a n y in L o u isia n a . B y F . H . P o u g h ... 143

Sc ie n t if ic So c ie t ie s: F o rty -fifth A n n u a l M eetin g A . C. S. P ro g ra m of P a p e r s 147 M in u tes o f D iv isio n of I n d u s tria l C hem ises a n d C h em ical E n g i­ n e e rs ... 148

M in u tes o f D iv isio n of A g ric u ltu re a n d F o o d C h e m istry ... 149

M in u tes o f th e D iv isio n o f P h a rm a c e u tic a l C h e m istry ... 150

M in u te s o f M eetin g of F e rtiliz e r D iv isio n ... 151

M in u te s o f th e M eeting o f th e R u b b e r S e c tio n ... 152

No t e sa n d Co r r e s p o n d e n c e: N o te on th e P ro d u c tio n o f M ercu ry F u lm in a te . B y C h arle s E . M u n ro e ... 152

T u n g s te n P r o d u c tio n in th e U n ite d S ta te s in 1911... 153

C lay P ro d u c ts in 1910... 153

L e a d I n d u s tr y in 1910... 153

Co n su l a ra n d Tr a d e No t e s: G e rm a n P o ta s h I n t e r e s t s ... 154

N o rw eg ian G u a n o S h ip m e n ts to U n ite d S ta te s ... 154

G lass P a v in g B lo ck s in F r a n c e ... 154

P alm -O il I n d u s tr y of W e s t A fric a ... 154

In c re a se d C u sto m D u tie s in B o liv ia ... 154

Book Re v ie w s: A d d resses t o E n g in ee rin g S tu d e n ts ; D ie P o la rim e trie d e r E rd ö le . 155 Ne w Pu b l ic a t io n s... 156

Re c e n t In v e n t io n s... 157

Ma r k e t Re p o r t ... 158

(2)

MARCH.

Ed i t o r i a l s:

C o n se rv a tio n ... 160

Min e r a l Wa st e s Sy m po siu m: C arb o n W aste s. B y J . A. H o lm e s ... 160

Z inc Losses. B y W . H . B a s s e tt... 164

N eed of Special A lloys fo r Special P u rp o se s. B y W . H . B a s s e tt. 167 W a s te a n d C o n serv atio n of P o ta s h a n d P h o sp h o ric A cid. B y F . K . C am ero n ... 169

Losses of C o m b in ed N itro g e n . B y J o h n D . P e n n o c k ... 172

T h e A b u se of B ra n d . B y A. D. L i ttle ... 178

T h e R e la tio n of th e S ilicate In d u s trie s to C o n serv atio n . B y A. V . B le in in g er... 180

N ew U ses t o R ed u c e A b u ses in C o n se rv a tio n . B y W . R . W h itn e y ... 182

M ineral Losses in G ases a n d F u m e s. B y F . G. C o ttr e ll 182 M iscellaneous M ineral W aste s. B y C has. L. P a r s o n s ... 185

Or ig in a l Pa p e r s: A N ew M eth o d fo r T e s tin g P a in t F ilm s a n d P re s e rv a tiv e C o at­ ings fo r I r o n a n d S teel. B y W . C. S la d e ... 189

A S h o r t M eth o d fo r th e D e te rm in a tio n o f S oluble A rsen ic in C om m ercial L e a d A rsen a te s. B y B . E . C u rry a n d T . O. S m i th ... 198

V a lu a tio n of F lu o rsp a r. B y E . B id te l... 201

D e te rm in a tio n of M an g an ese in S teel. B y J a m e s J . B o y le . . . . 202

C arb o n D ioxide: I t s V o lu m e tric D e te rm in a tio n . B y L eo n T . B o w ser... 203

T h e V alue of th e H ig h e r P h en o ls in W o o d -P rese rv in g O ils. B y S am u el C a b o t... 206

C o m p o sitio n of D ry G lu te n a n d its R e la tio n t o th e P r o te in C on­ t e n t o f F lo u r. B y Geo. A. O lso n ... 206

A C o m p a ra tiv e S tu d y of M eth o d s fo r th e D e te rm in a tio n of H a rd a n d T o ta l S o ft R esin s in th e H o p . B y H . V. T a r ­ t a r a n d C. E . B ra d le y ... 209

T h e C h em istry of A n a esth e tic s, IV : C hlo ro fo rm . B y C harles B ask e rv ille a n d W . A . H a m o r ... 212

Labo ratorya n d Pl a n t: A M odified W iley E x t r a c tio n A p p a ra tu s . B y W . D . R ic h a r d ­ so n a n d E . F . S c h e ru b e l... 220

A S u b s titu te fo r th e B la s t L a m p . B y W . A. E r n s t ... 221

A C o n v en ien t F ilte rin g A p p a ra tu s. B y G. S. W illiam s, J r . . . . 222

A n Im p ro v e m e n t o n th e K je ld a h l D istillin g A p p a ra tu s . B y W . L . H a d lo c k ... 222

Co m m i t t e e Re p o r t s: C o m m ittee o n F e rtiliz e r L eg islatio n . F e rtiliz e r D iv is io n 223 C o m m ittee o n P o ta s h . F e rtiliz e r D iv is io n ... 224

C o m m itte e on P h o s p h a te R o ck . F e rtiliz e r D iv is io n ... 225

C o m m itte e on N itro g e n . F e rtiliz e r D iv isio n ... 225

C o m m ittee o n S ta n d a rd S p ecificatio n s a n d M eth o d s fo r A n aly sis. In d u s tria l D iv isio n ... 225

C o m m ittee o n D efin itio n of In d u s tria l T erm s. In d u s tr ia l D iv i­ s io n ... 226

C om m ictee o n P ro fessio n al Code of E th ic s . In d u s tria l D iv i­ s io n ... 226

No t e san d Co r r e s p o n d e n c e: A N o te o n S am p lin g . B y W . J . S h a rw o o d ... 227

L a b o ra to ry P re p a ra tio n of L itm u s P a p e r ... 229

P e rilla O il... 229

B arle y s E x h ib ite d a t th e S eco n d In te rn a tio n a l B a rle y a n d H o p P riz e E x h i b it... 230

E ig h th In te rn a tio n a l C ongress N o te s ... 230

Ob it u a r ie s: D r. N ao k ich i M a ts u i... 230

Co n su l a ra nd Tr a d e No t e s: G e rm a n B ro n z e-P o w d e r I n d u s t r y ...: ... 231

E le c tro ly tic R ec o v e ry of Z in c ... . . ... 231

S u lp h u r M ines in M exico... 232

A m a lg a m atio n of B ritis h C em en t C o m p a n ies... 232

A rg e n tin a ’s W in e I n d u s t r y ... 232

P e tro le u m O u tp u t of th e W o rld .'... 232

O il fro m S unflow er S e e d ... 232

G as P ro d u c tio n a n d C o n su m p tio n in E n g la n d ... 232

Bo o k Re v ie w s: Som e C hem ical P ro b lem s of T o -d a y ; T h e M a n u fa c tu re of C h em ­ ical M an u res; T h e T e c h n ic al A n a ly sis o f B ra ss a n d th e N o n -fe rro u s A llo y s; P u re F o o d s. T h e ir A d u lte ra tio n , N u tritiv e V alu e a n d C o st; P la n t F o o d . I t s Sources, C o n serv atio n , P r e p a ra tio n a n d A p p lic a tio n ... 233

Ne w Pu b l ic a t io n s... 233

Re c e n t In v e n t io n s... 236

Ma r k e t Re p o r t... 238

APRIL.

Ed i t o r i a l s: T h e P u rific a tio n a n d S o ften in g of W a t e r b y P e r m u t ite 240 T h e P a in t a n d V a rn is h I n d u s tr y o f th e U n ite d S t a t e s ... 241

Or i g i n a l Pa p e r s: C arb o n B ru sh es. B y W . R . W h itn e y ... 242

T h e R e la tio n of th e R e fra c tiv e I n d e x of S o d a L im e G lasses to T h e ir C hem ical C om position. B y E d w in W a r d T illo t- son, J r . ... 246

A N ew M eth o d fo r th e D e te rm in a tio n o f V a n ad iu m . B y D. J . D c m o re st... 249

A R a p id M eth o d fo r th e D e te rm in a tio n o f V a n a d iu m in S teels, O res, e tc .. B ase d on its Q u a n tita tiv e In c lu sio n b y th e P h o sp h o m o ly b d a te P re c ip ita te . B y J . R . C ain a n d J . C. H o s t e tt e r ... 250

A N ew M ethod fo r th e D e te rm in a tio n o f V a n a d iu m ; a n E x ­ p la n a tio n . B y J . R . Cain a n d D . J . D e m o re s t... 256

T h e R a p id D e te rm in a tio n of V a n a d iu m in S teel. B y F r a n k G a r r a t t ... 256

T h e D ire c t D e te rm in a tio n o f S m a ll A m o u n ts o f P la tin u m in O res a n d B ullion. B y F re d e ric P . D e w e y ... 257

T h e D e te rm in a tio n of M o istu re in Coals. B y E . H . A rc h ib a ld a n d J . N . L a w re n c e ... 258

A M eth o d fo r th e U tiliz a tio n o f L e a d F u rn a c e F u m e . B y L . S. H u g h e s ... 262

A M eth o d fo r T e s tin g O u t P ro b lem s in A cid P h o s p h a te M an u ­ fa c tu re . B y F . B . P o r t e r ... 264

O n th e D e te rm in a tio n o f C arb o n D io x id e in Soils. B y L eon T . B o w s e r ... 265

T h e P h e n o m e n o n o f th e A p p a re n t D isa p p e a ra n c e of th e H ig h e r B oilin g P h e n o ls in C reo so ted W o o d a n d its E x p la n a tio n . B y S a m u e l C a b o t... 266

T h e F lu id ity of F is h Oil M ix tu re s a s a n A d d itiv e P r o p e r ty . B y G eorge F . W h ite ... 267

C o m p a ra tiv e V alu e of Ir rig a te d a n d D ry -F a r m in g W h e a t fo r F lo u r P ro d u c tio n . B y R o b e r t S te w a r t a n d C. T . H irs t. 270 T h e In flu en ce o f C arb o n u p o n N itrific atio n . B y H . W . C lark a n d G eorge O. A d a m s ...'. 272

A c id ity in W h e a t F lo u r ; its R e la tio n to P h o s p h o ru s a n d to o th e r C o n stitu e n ts. B y C. O. S w a n s o n ... 274

T h e C h em istry o f A n a e sth e tic s, IV : C hlo ro fo rm . B y C harles B ask e rv ille a n d W . A . H a m o r ... 278

La b o r a t o r y a n d Pl a n t: T h e A d a p tio n of th e C en trifu g a l P u m p to C hem ical P ro b lem s. B y F . G. W h e e le r... 288

N ew F o rm s o f G as A n aly sis A p p a ra tu s . B y G . A . B u r r e l l . . . . 297

A n Im p ro v e d E x t ra c tio n A p p a ra tu s . B y W . C. B l a s d a l e .. . . 302

N o te s o n a N ew F o rm of E x t r a c tio n T h im b le. B y P . A . B o e c k ... 303

Ad d r e s s e s: F e rtiliz e r C hem istry'— A R e p o r t o f P ro g ress. B y P a u l R u d - n ic k ... 304

Cu r r e n t In d u s t r i a l Ne w s: P ro g re ss o f th e C h em istry of P a p e rm a k in g ... 307

R e c e n t In v e s tig a tio n s o n A llo y s... 307

S ilo x id e... 308

E x t ra c tio n w ith N a p h th a le n e ... 308

F ire E x t in c ti o n ... 309

(3)

No t e sa n d Co r r e s p o n d e n c e:

T h e C e n te n a ry of th e I n tr o d u c tio n of G a s ... 309

A m e ric a n E lec tro c h e m ic al S o ciety , T w e n ty -firs t G en eral M eet­ ing, B o sto n , A p ril 1 8 th to 2 0 th ... 309

A m e ric a n C om m ission o n O rg an ic N o m e n c la tu re ... 309

E ig h th In te rn a tio n a l C ongress of A p p lie d C h e m is tr y ... 310

C orrectio n . A C o n v en ien t F ilte rin g A p p a ra tu s ... 310

T h e B u sin ess A sp e c t of th e K e lp P ro p o sitio n . B y F re d e ric k P . D e w e y ... 311

Im p o r ta tio n s of A cetic A n h y d r i d e ... 311

Co n s u l a ra n d Tr a d e No t e s: E n g lish M unicipal G as W o rk s ... 312

U tiliz a tio n of N a tu ra l G a s in H u n g a r y ... 312

S w edish Coal S it u a tio n ... 312

C ork T ra d e of th e U n ite d S ta te s ... M alay sian T in E x p o r ts ... S h a rk ’s L iv er Oil In d u s try P ro p o se d ... Bo o k Re v i e w s: T ra n s a c tio n s of th e A m e ric a n I n s t i t u t e o f C hem ical E n g in ee rs; T h e T ech n o lo g y of B read -M ak in g , In c lu d in g th e C h em ­ is try a n d A n a ly tic a l a n d P ra c tic a l T e s tin g of W h ea t, F lo u r a n d o th e r M ate rials E m p lo y ed in B re ad -m a k in g a n d C o n fe ctio n ery ; D ie C hem ie d e r tro c k n e n d e n O elc. . Ne w Pu b l i c a t i o n s... Re c e n t In v e n t i o n s... Ma r k e t Re p o r t... Ed i t o r i a l s: T h e U n ite d S ta te s P a t e n t S y s te m . Pa t e n t Sy m p o s i u m: T h e I n v e n to r, th e P u b lic a n d th e L aw . B y W a lte r F . R o g ers. P a te n ts a n d C hem ical I n d u s tr y in th e U n ite d S ta te s . B y B. H e rs te in ... T h e A b u ses of O u r P a t e n t S y ste m . B y L . I I . B a e k e la n d ... Or i g i n a l Pa p e r s: S o m e R e c e n t D e v elo p m en ts in W o o d D is tilla tio n . B y T h o s. W . P r itc h a r d ... T h e M a n u fa c tu re of C h lo ro fo rm fro m B le ac h in g P o w d e r a n d E t h y l A lcohol. B y F . W . F r e r i c h s . ... T h e C auses fo r V a ria tio n s in V o la tile M a tte r D e te rm in a tio n s. B y S. W . P a r r ... M onel M etal. B y R ic h a rd H . G a in e s... F re e L im e in P o r tla n d C em ent. B y H . E- K ie fe r... T h e C h em istry of A n a esth e tic s, IV : C h lo ro fo rm . B y C harles B ask e rv ille a n d W . A . H a m o r... T e s tin g M eth o d s o f R u b b e r C o n te n ts in R a w a n d V u lcan ized R u b b e r. B y W . A . D u c c a ... T h e V o la tile A c id ity of G u m T ra g a c a n th C o m p ared w ith t h a t o f In d ia n G u m . B y W . O. E m e r y ... T h e E x t r a c tio n of P o ta s h a n d A lu m in a fro m F e ld s p a r. B y H . W . F o o te a n d S. R . S c h o lc s ... A C o lo rim etric M eth o d fo r th e D e te rm in a tio n of C arb o n in Iro n a n d S teel. B y Je ro m e F . K o h o u t... La b o r a t o r ya n d Pl a n t: T h e D is trib u tio n of P o w e r in P o r tla n d C em en t M an u fac tu re . B y R ic h a rd K . M ead e... N ew F o rm s of A p p a ra tu s fo r G as A n a ly sis. B y F . M. W illiam s. Cu r r e n t In d u s t r i a l Ne w s:

MAY.

T h e D e co lo riz atio n of S u g a r Ju ic e w ith “ E p o n ite ” ... 31g T h e P re v e n tio n of Ir o n a n d S te e l C o rro sio n ... L o h m a n n iz in g ... T h e In flu en c e o f A d d itio n s t o B ro n z e ... C o p p er F u n g ic id e s ... 320 T h e U tiliz a tio n of th e P o ta s siu m C o n te n t of M in erals... P u rific a tio n of W a te r b y F o rce d O x id a tio n ... 328 T h e “ C h lo rid e” W a t e r P u rific a tio n P ro c e s s ... 333 T h e S e rp e k P ro cess of N itro g e n F ix a tio n ... D ia s ta fo r in th e T e x tile I n d u s t r y ... W o o d P r e s e rv in g ... A N ew F ilte rin g M ate rial fo r A lk a lin e L iq u id s ...

33 s Pumps...

“ R a tis a l,” a T ra p S u b s titu te ... 3 4 5 A D ry F ire E x tin g u ish e r fo r E le c tric I n s ta lla tio n s ... A N ew P a t t e r n in S p ra y N o zzles... 3 5 2 T h e D ig b y a n d B iggs D io n ic W a t e r T e s te r... . N ew T a n k V a lv e ... 354 358 No t e sa n d Co r r e s p o n d e n c e: 362 T h e P a i n t a n d V a rn ish I n d u s t r y ... D e te rm in a tio n o f M anganese in S teel. A N o te ... 372 A p o c y n u in o r In d ia n H e m p , R u b b e r. B y C h arles P . F o x . N a tu ra l G a s ... 374 N a tu ra l C em en t versus P o r tla n d C e m e n t... E le c tric P ro d u c tio n of F e rro -T u n g s te n ... 377 B u re a u of S ta n d a rd s A n aly zed S a m p le s ... 378 Boo k Re v ie w s: “ R u b b e r ;” P a i n t T e ch n o lo g y a n d T e s ts ; C hem icals, O ils a n d P a in ts ; C irc u la r o n R e g u la tio n s fo r Illu m in a tin g G a s; M eta llu rg y of I r o n a n d S te e l; C asein, its* P r e p a ra tio n a n d T ech n ical U tiliz a tio n ... 378 380 Ne w Pu b l i c a t i o n s. Re c e n t In v e n t i o n s. T a n n e ry W a s te s in S ew ag e... 382

Scientific M eth o d s fo r E a rth e n w a re M a n u fa c tu re ... 383 M a r k e t R e p o r t .

Ed i t o r i a l s:

T h e S co p e o f P h a rm a c e u tic a l C h e m istry ...

Or i g i n a l Pa p e r s:

S tr u c t u re of G a lv an ize d Iro n . B y W a lte r A rth u r a n d W illiam H . W a lk e r...

T h e E s tim a tio n of O x y g en a n d O ccluded G ases in C o p p er a n d a C o rre c tio n t o th e E le c tro ly tic A ssa y in th e C om plete A n a ly sis of C opper. B y G eorge L. H e a t h ...

S o m e O b se rv a tio n s o n th e D isin te g ra tio n o f C in d er C oncrete.

B y G eorge B o rro w m a n ...

T h e M a n u fa c tu re of C h lo ro fo rm fro m B le ac h in g P o w d e r a n d E t h y l A lcohol. B y F . W . F r e r ic h s ...

C o m p ariso n o f S om e M eth o d s fo r th e E s tim a tio n o f S u lp h u r in V u lcan ized R u b b e r w ith E sp e cial R eferen ce to E le c tro ­ ly tic O x id a tio n . B y D . S p e n c e a n d J . Y o u n g ...

A M eth o d fo r D e te rm in in g th e V a lu e of C om m ercial S ta rc h e s fo r U se in C o tto n M ills. B y G . M. M a c N id e r...

T h e C h em istry o f A n a e sth e tic s, IV : C hlo ro fo rm . B y C harles B ask e rv ille a n d W . A . H a m o r ...

S o m e D a ta o n th e M a n u fa c tu re of S m o k in g O p iu m a n d I t s C hem ical C o m p o sitio n . B y A . B . A d a m s a n d J a m e s M.

D o ra n ...

JU N E.

T h e C o m p o sitio n o f th e P acific K e lp s. B y J . W . T u r r e n t i n e . . A N o te o n th e D e te rm in a tio n of Io d id e s b y D ire c t T itra tio n . B y J . W . T u r re n tin e ...

D e te rm in a tio n of T o ta l P o cassiu m in M inerals. B y C h arles J . S ch o lle n b e rg e r...

N o te o n t h e N e u tra l P e rm a n g a n a te M eth o d fo r th e A v a ila b ility 397 o f O rg a n ic N itro g e n . B y J o h n P h illip s S t r e e t ...

A c tiv ity o f O rg an ic N itro g e n as M easu red b y t h e A lk alin e P e rm a n g a n a te M eth o d . B y C. H . J o n e s ...

402 T h e E ffe c t of th e “ W e t P ro c e s s ” o n th e A v a ila b ility of Low - G ra d e N itro g e n o u s M aterials. B y B u r t X . H a rtw e ll 405 a n d F . R . P e m b e r...

N e u tra l A m m o n iu m C itra te S o lu tio n . B y A . J . P a t t e n a n d C.

406 S. R o b i n s o n ...

La b o r a t o r y a n d Pl a n t: 413

T h e M a n u fa c tu re o f G e latin e. B y L u d w ig A . T h ie le ...

417 A P u n c h fo r S tr a i g h t R u b b e r T e s t P ieces. B y H a r r y P . Mills.

A L a b o r a to r y G e n e r a to r fo r H y d ro c h lo ric A cid G as. B y E d - 422 w in D o w z a rd ...

Tw o P ieces of L a b o ra to r y A p p a ra tu s . B y H a ro ld C an n in g C h a p in ...

429 U n iq u e W a t e r B a th . B y S. W . W ile y ...

312 312 312

313

314 315 316

383 383 384 384 384 384 384 385 385 385 385 385 385 386 386 386 386 386

387 387 387 388 388 388 388

389 391

393

394

432

435

436

437

438

441

443

446 452

452

453 454

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vi

Ad d r e s s e s:

O c c u p a tio n a l P o iso n in g in C hem ical T ra d e s . B y W . G ilm an

T h o m p so n ... 454

T h e P ro g re ss of th e W o rk o n th e R ev isio n o f t h e U n ite d S ta te s P h a rm a c o p o e ia. B y J . P . R e m in g to n ... 457

Cu r r e n t In d u s t r i a l Ne w s: T h e In d u s tria l U ses of O z o n e ... 459

N o n -F reezin g M ix tu re s ... 460

A N ew L iq u id M ix er... 460

T h e S te riliz a tio n of P o ta b le W a t e r s ... 461

P o r tla n d C e m e n t... 461

B leach in g P o w d e r a s a S o a p S u b s titu te ... 416

W a te r-G a u g e G lasses... 461

P a c k in g in S te a m P l a n t s ... 461

D ev elo p m en ts in S te a m G e n e ra tio n ... 462

T h e C o n ta c t P ro cess of S u lp h u ric A cid M a n u fa c tu re ... 462

F o r to lin e ... 462

T h e U tiliz a tio n of S to ra g e B a t te r y S lu d g e ... 462

T h e M a n u fa c tu re of W h ite L e a d ... 462

T h e P u r ity of C om m ercial M e ta ls... 462

T h e C o st of C h lo rin e ... 463

S y n th e tic O rg an ic D y es a n d P a te n ts fo r th e M a n u fa c tu re of th e S am e, 1 907-’l l ... 463

T h e M an u fac tu re of A lu m in u m F o il... 463

S o m e N ew “ N o n -C o rro siv e” A llo y s... 463

K u p ro n iz in g . ... 463

No t e sa n d Co r r e s p o n d e n c e: T h e G e rm a n P a t e n t S y s te m ... O rig in a lity of In v e n tio n s ... R e p o r t o f th e D eleg ate to th e J o in t C onference o f th e P a te n t S y s te m ... ... R e p o rt of th e C o m m ittee o n Q u a n tita tiv e M e th o d s... T h e T ech n ical A n a ly sis o f B ra s s a n d th e N o n -F e rro u s A lloys: A u th o r’s N o te ... V o la tility o f M etals o f th e P la tin u m G r o u p . ... C h em istry a n d th e L ith o g ra p h ic I n d u s t r y ... C o n ta m in a tio n of L a b o ra to ry S am p les b y Ir o n D e riv e d from C rushing M ac h in e ry ... C o m b a tin g M in ers’ D iseases... Bo o k Re v i e w s: S tr e n g th of M ate rials; F e rtiliz e r a n d F e rtiliz e r H in ts ; D ie C hem ie d e r Cellulose w ith P a r ti c u la r R eferen c e t o th e T e x tile a n d C ellulose In d u s trie s ; C h em ik er K a le n d e r; T h e M a n u fa c tu re o f V arn ish es, a n d K in d re d In d u s trie s ; T ech n ical M eth o d s of C hem ical A n a ly sis C ocoa a n d C hocolate, T h e ir C h em istry a n d M a n u fa c tu re ; A M an u al of F ire A ssa y in g ... Ne w Pu b l i c a t i o n s. Re c e n t In v e n t i o n s. Ma r k e t Re p o r t... Ed it o r ia l s: T h e P ro d u c tio n of E t h y l A lcohol fro m W a s te P r o d u c ts ... O c cu p a tio n a l D iseases... ... Or ig in a l Pa p e r s: C o rro sio n of Ir o n in P u re W a t e r a n d A ir C o m b in ed ; th e E le c ­ tro ly tic T h e o ry a g ain C onfirm ed. B y W illiam R . F le m in g ... T h e R e la tiv e C orro sio n o f I r o n a n d S te e l P ip e as F o u n d in S e r­ vice. B y W illia m H . W a lk e r... D e sc rip tio n of th e E x p lo sio n T e s t a t th e E x p e rim e n ta l M ine of th e U n ite d S ta te s B u re a u of M ines, F e b ru a ry 24, 1912. B y G eorge S. R i c e . ... T h e E x p a n s io n Coefficient o f G ra p h ite . B y A r th u r L . D a y a n d R o b e r t B, S o s m a n ... A V o lu m e tric M eth o d fo r t h e D e te rm in a tio n of T h o riu m in th e P rese n ce o f O th e r R a r e E a rt h s . T h e A n a ly sis of M o n azite S a n d . B y F . J . M etzger a n d F . W . Z o n s . . . . T h e R esen es of R esin s a n d O leoresins. B y C h arles H . H e r ty a n d W . S. D ic k so n ... A M eth o d o f E x a m in in g C h in a W o o d O il. B y P a r k e r C. Mc- I lh i n e y ... ... O n th e In d ic e s of R e fra c tio n of C hina W o o d O il. B y L o u is E lsb e rg W ise ... T h e R e f ra c tiv e I n d e x of B eesw ax . B y L . F e ld s te in ... T h e C h em istry of A n a e sth e tic s. IV : C hloroform . B y C harles B ask c rv ille a n d W . A . H a m o r ... L a b o ra to ry S tu d ie s of R e n n in . B y A . Z im m e rm a n n ... M icro-C hem ical T e s ts fo r th e Id e n tific a tio n of S o m e of th e A lkaloids. B y E a rl B . P u t t ... ... A n Im p ro v e d M eth o d o f A ssay fo r A ro m a tic S u lp h u ric A cid. B y L in w o o d A. B ro w n ... A M eth o d fo r A ssa y in g S p ir its of C am p h o r. B y A r th u r T . Col­ lin s ... S u g g e sted M odifications to t h e U . S. P . A ssa y o f O p iu m . B y R . N o rris S h r e v e ... A N o te o n th e D e te r m in a tio n o f th e D ig e stiv e V a lu e o f P a p a in . B y J . R . R ip p e to e ... T h e B ro m in e a n d Io d o m e tric M eth o d s fo r th e V o lu m e tric D e ­ te rm in a tio n of Cresol. B y C. M. P e n c e ... T h e A c c u ra te V o lu m e tric D e te rm in a tio n of P h o sp h o ric A cid in P h o s p h a te R o ck . B y J o h n G . F a irc h ild ... T h e D e te rm in a tio n o f T o ta l M an g an ese in Soils. B y R o ss A . G o rtn e r a n d C la y to n O . R o s t . ... A lte rin g th e C o m p o sitio n o f In d ia n C o rn b y Seed S electio n . B y L . H . S m i t h . ... R e la tio n of A c tiv e P o ta s h to P o t E x p e rim e n ts . B y G . S. F r a p s ... ... T h e D e te c tio n of F o rm ic A cid in F r u i t P ro d u c ts . B y F . L. S h a n n o n ... T h e D e te c tio n of P ru s s ia n B lu e in T e a . B y F r e d W e s t ...

JULY.

A M odification of th e F r a r y E le c tro d y n a m ic S tirrin g D evice. 478 B y J . M. K n o te a n d W . R . W o r k ... 4 80 T h e U n d e rw rite rs ’ L a b o ra to rie s E x t r a c tio n A p p a ra tu s . B y H e n ry J . C a ry -C u rr... Ad d r e s s e s: 480 486 488 490 493 495 496 497 498 499 506 508 512 514 514 517 518 520 522 524 525 526 528 T h e P r e s e n t S ta tu s of th e G a s I n d u s tr y a n d I t s O utlo o k . C harles E . M u iiro e ... B y Cu r r e n t In d u s t r ia l Ne w s: S elen iu m G la ss ... H e a v y Oil E n g in e s ... T h e C lassification of S o a p s ... T h e S p o n ta n e o u s C o m b u stio n of C h a rc o a l... A rtificial R u b b e r fro m S e a w ee d ... “ T e m p e re d C o p p e r” T o o ls... T h e P u rific a tio n of A ir b y O z o n e ... T h e U se of C oke-O ven G a s ... T h e P re s e rv a tio n of W o o d w ith ■‘B e llit” . ... C hrom e-N ickel B ro n z e ... No t e sa n d Co r r e s p o n d e n c e: N o te s o n th e C om p o sitio n a n d A n a ly sis of D e sic c ated M ilk a n d C re a m ... A M odification of th e B ab c o c k T e s t a s A p p lie d to th e E s tim a tio n of F a c in D e sic c ated M ilk ... A lu n d u m n o t C o n sta n t in W e ig h t... ... T h e C e n te n a ry of th e In tr o d u c tio n o f G a s ... A m erican E lec tro c h e m ic al S o c ie ty R e s e a rc h F u n d ... .. M aine S e c tio n of th e A m e ric a n C hem ical S o c ie ty ... O rg a n iz atio n of C o m m itte e s fo r S tu d y of I n d u s tria l D is e a s e s .. O rg a n iz atio n o f R u b b e r S e c tio n ... P a in t a n d V a rn ish in th e U . S . N a v y ... ... A C olo rim etric M eth o d fo r t h e D e te rm in a tio n o f C arb o n in Ir o n a n d S teel, A N o te of P r o t e s t... A C o lo rim etric M eth o d fo r th e D e te rm in a tio n of C arb o n in Ir o n a n d S teel. A N o te ... ... V a lu a tio n of F lu o r sp a r— A C o rre c tio n ... G en eral B a k e lite C o m p a n y S t a r t s In frin g e m e n t S u it s ... T h e E n d of th e C o o p erativ e G lass F a c to rie s in I t a l y ... I n te rn a tio n a l C ongress of A p p lied C h em istry . A n n o u n c e m e n t of S e c tio n I, A n a ly tic a l C h e m istry ... Boo k Re v ie w s: C orrosion o f Iro n a n d S te e l; T ech n o lo g ic P a p e rs o f th e B u re a u of S ta n d a rd s , N o. 3 ; T e s ts o f th e A b so rp tiv e a n d P e r ­ m e a b le P ro p e r tie s of P o r tla n d C em en t M o rta rs a n d C oncretes, to g e th e r w ith T e s ts o f D am p -p ro o fin g a n d W aterp ro o fin g C o m p o u n d s a n d M a te ria ls; A D ic tio n a ry o f A p p lie d C h e m istry ; A lle n 's C om m ercial O rg an ic A n a ly sis; T h e C h e m istry o f B re a d r a a k in g ; T h e L a b o ra ­ t o r y A p p a ra tu s B lu e B o o k ... ... .. La b o r a t o r y a n d Pl a n t: F a c to rs D e te rm in in g th e C a p a c ity of a F il te r P re s s. B y C. A lm y , J r ., a n d W . K . L ew is... 528 Im p ro v e d S u lp h u ric A cid C h am b ers. B y T h o m as H . N o rto n . 532

Ne w Pu b l i c a t i o n s. .

Re c e n t In v e n t i o n s.

Ma r k e t Re p o r t...

464 465

466 467

469 470 470

471 471

471 474 475 476

534

535

536

539 540 541 541 542 542 542 542 542 542

543

544 544 545 546 546 547 547 547

547

548 548 548 548

548

549 551 552 554

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Dec., 19 12

AUGUST.

556 Ed it o r ia l s:

T h e E ig h th In te rn a tio n a l C ongress of A pp lied C h e m istry .

Or ig in a l Pa p e r s:

T h e M a n u fa c tu re of C arb o n B isu lp h id e. B y E d w a rd R . T a y ­

lo r ... 557

T h e O ccu rren ce of E fflorescence o n L a v a B ric k s. B y W illiam M cG eorge... 559

E n a m e ls fo r S h e e t S teel. B y R o b e r t D . L a n d r u m ... 561

T h e P ro d u c tio n o f E x c e ssiv e H y d ro g e n S u lp h id e in Sew age D isp o sal P la n ts a n d C o n se q u e n t D is in te g ra tio n of th e C o n crete. B y W illia m M. B a r r a n d R . E . B u c h a n a n . . 564

M ark in g P o rce la in a n d Silica C rucibles, e tc . B y P . A . Y o d e r . . 567

O n th e Q u a n tita tiv e E s tim a tio n o f S o d iu m H y d ro x id e in “ B la ck L iq u o r.” B y E d w in S u te rm e is te r a n d H a ro ld R . R a f s k y ... 568

T h e C h em istry of A n a esth e tic s, IV : C hloroform . B y C harles B ask e rv ille a n d W . A. H a m o r ... 571

O n th e S ta r c h o f G lu tin o u s R ic e a n d it s H y d ro ly sis b y D ia s ­ ta se . B y Y oshio T a n a k a ... 578

T h e E ffe ct of S u lp h u ro u s A cid on F e rm e n ta tio n O rg an ism s. B y W . V . C ru ess... 581

C on cern in g th e S u g a r C o n te n t of W aterm elo n s. B y C arl P . S h erw in a n d C larence E . M a y ... 585

T h e D e te rm in a tio n of B en z a ld e h y d e on M arasch in o C herries a n d M arasch in o L iq u eu r. B y A . G . W o o d m a n a n d Lew is D a v is ... 588

C om m ercial C in n am o n a n d C assia. B y H a r r y E . S in d a ll 590 T h e R ip e n in g o f H o p s. B y C. E . B ra d le y a n d H . V . T a r t a r . . 591

A n aly sis of Som e F a ts of th e A m e ric a n B u ffalo (B ison). B y R o b e r t II. S m i th ... 592

T h e D e te rm in a tio n of E u c a ly p to l (Cineol) in E ss e n tia l Oils. B y F ra n c is D . D o d g e ... 592

R e c e n t A n a ly se s o f th e S a ra to g a M in eral W a te rs . B y L eslie R u ssell M ilfo rd ... 593

D e te rm in a tio n of L ith iu m . B y L eslie R u sse ll M ilfo rd ... 595

A N ew V o lu m e tric M eth o d fo r T in . B y W ilb u r W . P a tric k a n d G . C. W ilsn a c k ... 597

A N ew A p p a ra tu s fo r th e V o lu m e tric D e te rm in a tio n of C a r­ b o n D io x id e. B y H o w a rd W . B r u b a k e r ... 599

A M o d ification o f th e Sw een ey M eth o d fo r C rude F ib e r. B y C o rn elia K e n n e d y ... 600

S tu d ie s o n Soil H u m u s . B y S h e rm a n L e a v i t t ... 601

A n E x a m in a tio n o f C ity S tr e e t Sw eepings. B y J . J . S k in n e r a n d J . H . B e a ttie ... 604

In o rg a n ic P h o s p h o ru s in P la n t S u b s ta n c e s —A M eth o d o f E s ­ tim a tio n . B y R . C. C o llison ... 606

Labo ra to rya n d Pl a n t: D esign a n d E q u ip m e n t o f th e C hem ical E n g in ee rin g L a b o ra ­ t o r y a t th e U n iv e rs ity of W a s h in g to n . B y H . K . B e n s o n ... 609

A N ew A p p a ra tu s fo r th e D e te rm in a tio n o f C arb o n D ioxide. B y E . W . G a ith e r... 611

A u to m a tic F ilte r F e e d . B y T h o s. A . M itc h ell... 613

N o te o n P r o te c to r s fo r G lass S to p co ck s. B y W a lte r O. Snell- in g ... 613

A lu n d u m C rucibles in G ra v im e tric A n aly sis. B y G u ilfo rd L . S p e n c e r... 614

Ad d r e s s e s: N a tu ra l G as In v e s tig a tio n s o f th e B u re a u o f M ines. B y G eorge A . B u rre ll... 614

A P la n fo r th e S u p p o r t of C hem ical R ese arch a n d fo r th e B e t te r T e a c h in g o f I n d u s tria l C h em istry . B y J o h n S te w a r t ... 616

Cu r r e n t In d u s t r ia l Ne w s: T h e M a n u fa c tu re of N itr a te s from th e A tm o s p h e re ... 619

A P ro cess fo r th e F ix a tio n o f A tm o sp h eric N itro g e n ... 619

T h e C orrosion of I r o n a n d S te e l... 619

U ses of A lu m in u m ... 620

B riq u e ttin g M etallic W a s te ... 620

T h e R e v iv a l of th e K e lp I n d u s t r y ... 620

L ig h tin g b y N eo n T u b e s ... 620

“ G r a n a c i t " ... 621

T h e D e stru c tiv e A ctio n of A cids on C o n c re te ... 621

“ Iro n iz in g ,” o r “ F e rro z in c in g ” ... 621

A N ew P ro cess fo r E lec tro -Z in c in g ... 621

T e x tilo s e ... 621

T h e B le ac h in g of L in e n ... 621

P h o sp h o ru s S lag as a n In s e c tic id e ... 621

O x y g en A d d itio n s to I r o n F u r n a c e B la s t... 622

N ew C om posite S h e e t M eta ls... 622

A N ew U se fo r B o ro n ... 622

V a n a d iu m B a b b i tt M e ta l... 622

A N ew V a cu u m G a u g e ... 622

A N ew F o r m o f V alv e fo r G a s C y lin d e rs... 622

T h e M ea su re m en t of S te a m C o n su m p tio n ... 623

A N ew J o i n t fo r S te e l P ip e ... 623

No t e sa n d Co r r e s p o n d e n c e: S ea-w eed, P o ta s h a n d Io d in e . A C ritic ism ... 623

N ig e ria n T in D e v e lo p m e n ts ... 624

T h e Oil of P o c h o te ... 625

L e c tu re s on th e S m o k e P ro b le m ... 626

D e te c tio n of F o rm a ld e h y d e in F o o d s ... 626

L a b o ra to ry G e n e ra to r fo r H y d ro c h lo ric A cid G a s... 626

Boo k Re v ie w s: A n I n tr o d u c t io n t o th e S tu d y o f F u e l; A n n u a l T a b le s of C on­ s ta n t s a n d N u m e ric a l D a ta ; C hem ical, P h y sic a l a n d T ech n o lo g ical; T h e C h em istry o f th e R a d io E le m e n ts ; T h e C h em istry of th e R u b b e r I n d u s t r y ; G e rm a n V a r­ n ish M ak in g ; In d u s tria l O rg an ic C h e m istry ; V in eg ars a n d C atsu p , I n te r p r e t a tio n of S ta n d a rd s , A nalyses, E t c ... 626

Ne w Pu b l ic a t io n s... 628

Re c e n t In v e n t io n s... 629

Ma r k e t Re p o r t... 632

SEPTEM BER.

Ed i t o r i a l s: O u r G u e sts ... 634

F u s s y A d m in is tra tio n a. ... 634

Or i g i n a l Pa p e r s: E p in e p h rin fro m th e W h ale. B y E d w a rd R . W e i d l e i n . .. . 636

T h e C hlorides of C arb o n a s S o lv e n ts, I : C arb o n T e tr a c h lo r­ ide. B y C h arles B ask e rv ille a n d H . S . R ie d e r e r 645

O n t h e S u rfa ce T en sio n of S ilica te a n d B o ro silic a te G lasses. B y E d w in W a rd T illo tso n , J r . . , ... 651

T h e D e te c tio n a n d D e te rm in a tio n o f C y anogen a n d H y d r o ­ gen C yanide. B y F . H . R h o d e s ... 652

R a p id a n d A c c u ra te M eth o d s fo r D e te rm in in g P h e n o l. B y L . V . R e d m a n a n d E . O. R h o d e s ... 655

T h e C o lo rim etric D e te rm in a tio n of Ir o n in L e a d a n d its O xides. B y J o h n A . S c h a effe r... 659

A R a p id M icroscopical M eth o d fo r th e D e te rm in a tio n of A rsen ic, a s O rp im e n t, in Shellac. B y R o b e r t S ch w arz. 660 S o m e P r a c tic a l M eth o d s fo r T e s tin g a n d Id e n tify in g C olors fo r P rin tin g In k s a n d S im ila r P ig m en ts. B y S am u el L e v in s o n . ... 661

T h e E ffe ct of Ig n itio n on th e S o lu b ility of Soil P h o s p h a te s . B y C has. B . L ip m a n ... 663

T h e D e te rm in a tio n of H u m u s in H a w a iia n Soil. B y W . P . K e lle y a n d W m . M cG eorge... 664

T h e C om p o sitio n of F u s e l Oil fro m B e e t M olasses. B y M. C. B osw ell a n d J . L. G o o d e rh a m ... 667

D ifficulties in th e C olo rim etric E s tim a tio n of V an illin . B y W . S. H u b b a rd ... 669

A N ew C o lo rim etric M eth o d fo r th e D e te rm in a tio n of V an illin in F la v o rin g E x t r a c ts . B y O tto F o lin a n d W . D e n i s .. 670

M eth o d fo r D e term in in g F a t in S u g a re d E v a p o ra te d M ilk. B y F . C. B ro e m a n ... 672

La b o r a t o r y a n d Pl a n t: A N ew T y p e of In o rg a n ic F il te r fo r L a b o r a to r y P u rp o se s. B y M. A . W illiam so n a n d P . A . B o ec k ... 672

C alcu la tio n o f S u lp h u ric A cid S to c k b y A p p ro x im a te v s. A c ­ c u ra te M eth o d s. A Special Slide R u le fo r T h is P u r ­ pose. B y H . C. M o o re ... 677

A Sim p le a n d In e x p e n siv e C o n d u c tiv ity Cell. B y C arl A . N o w a k ... 679

(6)

A p p a ra tu s fo r F u m eless K je ld a h l N itro g e n D ig estio n . B y

A . P . S y ... 680

A S im ple M eth o d fo r P u rify in g D rin k in g W a te r . B y J . L. S a in m is ... 681

S a m p lin g C one. B y C. W . K nefT... 682

A L a b o ra to ry G lass F u rn a c e . B y S . R . S ch o les... 683

T h e D e te rm in a tio n of C arb o n in S te e l b y D ire c t C o m b u s­ tio n in th e N e w e st F o rm o f S h im c r C rucible, w ith th e A id of a P e rfo ra te d C lay D isc. B y F r a n k O. K ich - lin e ... 683

A M odified V ic to r M ey er A p p a ra tu s . B y H a ro ld C anning C h a p in ... v ...; ... 684

A D o uble-O iling S y ste m P u m p . A ir-J e t C h im n ey V e n tila to r... T h e U tiliz a tio n of P e a t ... Ad d r e s s e s: T h e A n a ly s t versus T h e C h em ist. B y J . S. B ro g d o n . C u r r e n t I n d u s t r i a l N e w s : 684 F a c to ry In s p e c tio n ... 686

Fa c to ry ' V e n tila tio n ... 686

M ercury' P o iso n in g ... 686

S p ecifications fo r R e fra c to rie s ... 686

T h e U tiliz a tio n of S u lp h ite L iq u o r... 687

I ta lia n S h ip m e n ts of C arb o n D isu lp h id e ... 687

T h e C o n d itio n of th e C h ilean S a ltp e te r I n d u s t r y ... 687

M eth y l C hloride a s a R efrig e ra tin g A g e n t... 687

A c ce le ra tin g P a in t D ry in g w ith O zonized A ir... 687

A N ew Process fo r P ro d u c in g S te a ric A c id ... 687

T h e R a p id P ro d u c tio n of P u r e C ream of T a r t a r ... 687

“ D u riro n ” ... 688

L e a d fo r C alk in g J o i n t s ... 688

“ V a n a liu m ” ... 688

“ A rg ilite ” ... 6S8 A W a te r Flow R e c o rd e r... 688

T h e M a n u fac tu re o f S u c tio n H o se ... 688

H e a t T ran sm issio n in V a cu u m E v a p o ra to r T u b e s ... 689

A N ew C rude Oil E n g in e ... 689

No t e sa n d Co r r e s p o n d e n c e: S eaw eed, P o ta s h a n d Io d in e ... O rd in a ry W ritin g F lu id fo r M ark in g P o rce la in C ru c ib le s... T h e N eed o f C hem ical C o n tro l in F u rn a c e O p e ra tio n ... T h e E s tim a tio n of O xy g en a n d O ccluded G ases in C o p p er, E tc . A u th o r’s N o t e . ... C hem ical In d u s trie s of N o rw a y ... C em en t P ro d u c tio n a n d T ra d e in th e F a r E a s t . ... S u lp h u r, P y rite , a n d S u lp h u ric A c id ... C hem ical I n d u s tr y of G e rm a n y ... ... G e rm a n P o ta s h a n d S a lt S ta t i s t i c s ... T h e W id e U se o f A rsen ic ... ... Sw iss F a c to ry S ta tis tic s ... T ita n iu m a n d A lloys o f S te e l... G o o d In c re a se in P la tin u m P r o d u c tio n ... P a in t P ro d u c tio n in 1911... W a s te in Coke M ak in g ... Coal E x p o r ts in 1911... Bo o k Re v i e w s: C orrectio n . T h o rp e ’s D ic tio n a ry of A p p lied C h e m istry ; A D ic tio n a ry o f A p p lied C h e m istry ; P o r tla n d C em en t; T h e C em en t I n d u s tr y in 1911; P ra c tic a l C h em istry fo r E n g in ee rin g S tu d e n ts ; S n a p C o m m ercial A n aly - sis. Ne w Pu b l i c a t i o n s. . Re c e n t In v e n t i o n s. Ma r k e t Re p o r t...

OCTOBER.

In t e r n a t i o n a l Co n g r e s s o f Ap p l i e d Ch e m i s t r y: T h e In a u g u ra l M eeting a t W a s h in g to n ... 707

T h e N ew Y o rk M eetin g ... 711

T h e In te rn a tio n a l L e c tu re s ... 712

T h e S e c tio n a l A d d re sse s... 712

T h e S e c tio n a l M ee tin g s... 713

T h e S ocial F e a tu re s of th e C o n g ress... 713

T h e C losing S essio n ... 715

F a c to ry V isits a n d E x c u rs io n s ... 715

T h e S ocieties a t th e C o n g ress... 716

Or i g i n a l Pa f e r s: T h e C o n tro l of D u s t in P o r tla n d C em en t M a n u fa c tu re b y th e C o ttre ll P re c ip ita tio n P rocesses. B y W a lte r A . S c h m id t. 719 C o n ta c t S u lp h u ric A cid fro m B rim s to n e . By’ G. W . P a t ­ te rs o n an d L . B . C h en e y ... 723

S m e lte r S m o k e C o n se rv a tio n . B y G eorge C. W e s tb y ... 725

N o te s o n a S tu d y of th e T e m p e ra tu re G ra d ie n ts o f f s e t t i n g P o r tla n d C em ent. By' A lle rto n S. C u s h m a n ... 728

C o b alt D riers. B y V . P . K r a u s s ... 731

T h e D e v elo p m en t of H y d ro s u lp h ite s in T h e ir R e la tio n to M odern D y estu ffs. B y P h ilip S. C la rk s o n ... 733

T h e E ffect of “ L im e -S u lp h u r” Spray' M a n u fa c tu re o n th e Ey'e- s ig h t. B y J a m e s R . W ith ro w ... 735

P h e n o l-F o rm a ld e h y d e C o n d en sa tio n P ro d u c ts . B y L . H . B a e k e la n d ... 735

La b o r a t o r ya n d Pl a n t: A p p a ra tu s fo r th e E x a m in a tio n a n d S tu d y o f th e B e h a v io r of V a lv e a n d C y lin d e r Oils a n d o th e r P e tro le u m L u b r i­ c a tin g O ils in S a tu r a te d a n d S u p e rh e a te d S te a m , C a r­ b o n D io x id e, A ir a n d O th e r G ases. B y P . H . C o n rad so n . 744 A N ew C alo rim e tric B o m b w ith S p ecial A d v a n ta g e s a s to M ate rial of C o n stru c tio n a n d M eth o d o f O p e ra tio n . . B y S. W . P a r r ... 746

Som e T e s ts o n a N ew C alo rim e tric B o m b . Jesse, J r ... B y R ic h a rd H . Ad d r e s s e s: T h e L a te s t A c h iev e m e n ts a n d P ro b le m s o f th e C hem ical I n ­ d u s try . B y C arl D u is b e rg ... S y n th e tic A m m o n ia . B y H . A . B e r n th s e n ... P ro g re ss in I n d u s tr ia l C h em istry . B y R u d o lp h M esscl... O x id a tio n of A tm o sp h e ric N itro g e n a n d D e v elo p m en t of R e ­ s u ltin g I n d u s trie s in N o rw a y . B y S a m u e l E y d e ... Cu r r e n t In d u s t r i a l Ne w s: A N ew W ood P r e s e rv a tiv e ... A ir C o m p resso r L u b r ic a tio n ... T h e O x y g ra p h ... T h e M a n u fa c tu re of L itlio p o n e ... T h e P o llu tio n of S tre a m s b y S p e n t G as L iq u o r... T h e M eltin g P o in ts of F ire B ric k s ... “ P e rs il” as a B leach in g A g e n t... T h e D isin fectio n of P o ta b le W a te rs b y C hloride of L im e. A m m o n ia E v a p o ra tio n a n d T ra n s fo rm a tio n in S o ils... T h e L o c a tio n o f U n d e rg ro u n d P ip e s ... T h e C astin g of M agnesium A llo y s... No t e s a n d Co r r e s p o n d e n c e: O b itu ary '— F re d e ric k J . M ay e r... T h ird In te rn a tio n a l R u b b e r C o n feren ce... M u n icip al W a te r C o n se rv a tio n E x h ib it of th e C ity of P h ila d e l­ p h ia ... ... Ne w Pu b l i c a t i o n s. Ma r k e t Re p o r t---

NOVEMBER.

Ed i t o r i a l s: M orris L o e b ... 784

T h e In c o n g ru itie s o f A m e ric a n P a t e n t L i t i g a t i o n ... 785

Or i g i n a l Pa p e r s: D is tilla tio n o f R esin o u s W o o d b y S a tu r a te d S te a m . B y L . F . H a w le y a n d R . C. P a lm e r... 789 T h e D e te rm in a tio n of O x y g en in I r o n a n d S te e l by' R e d u c ­

tio n in a n E le c tric V a cu u m F u rn a c e . B y W m . H . W a lk e r a n d W a lte r A . P a t r i c k ...

T h e M eth o d s of th e U n ite d S ta te s S te e l C o rp o ra tio n fo r th e C om m ercial S a m p lin g a n d A n a ly sis of P ig I r o n . B y th e C h em ists’ C o m m itte e of th e U . S. S te e l C o rp o ra ­ tio n ...

T h e S y n th e sis of H y d ro c a rb o n s a t H ig h T e m p e ra tu re s a n d P ressu res. B y J . N- P r in g a n d D . M. F a irl ie ...

689 689 689

690 691 691

691 691 694 695 695 696 696 697 697 697 697 697 698

698

700

701

704

748

749 760 767

771

.7 7 4 774 775 775 776 776 776 777 777 777 777

777 778

778

779

782

799

801

812

(7)

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G lass F o rm u la s: A C riticism . B y A le x an d e r S il v e r m a n .. . . 818 O n th e D e n sity of Som e B o ra te a n d S ilica te G lasses. B y

E d w in W a rd T illo tso n , J r ... 820 E x t ra c tio n of T h o ria . B y C harles B a s k e rv ille ... 821 T h e P ro d u c tio n of A v ailab le P o ta s h from th e N a tu ra l Sili­

c ates. B y A lle rto n S. C u sh m an a n d G eorge W . Cogge- s h a ll... 821 P o ta s h , Silica a n d A lu m in a fro m F e ld s p a r. B y E d w a rd

H a r t ... 827 C om p o sitio n o f th e S alin es of th e U n ite d S ta te s . B y J . W .

T u rre n tin e , w ith an aly se s b y A . R . M erz a n d R . F . G a rd n e r... 828 T h e D e te rm in a tio n of P h o s p h o ru s in C o m m ercial A cety len e.

B y L. M. D en n is a n d W . J . O ’B rie n ... 834 T h e D e te rm in a tio n of L e a d S u lp h a te a n d th e U ltim a te E s t i ­

m a tio n of S u b lim ed W h ite L e a d in R u b b e r. B y J o h n A . S ch aeffer... 836 T h e E ffe c t of K iln -D ry in g a t 145° F . o n th e C om p o sitio n of

th e H o p . B y H . V . T a r t a r a n d B . P ilk in g to n ... 839

La b o r a t o r ya n d Pl a n t:

C o m b in a tio n of th e C o n ta c t P ro ce ss w ith th e O rd in a ry L e a d C h am b er o r T o w e r S y s te m s; a n Im p r o v e m e n t in th e M a n u fa c tu re o f S u lp h u ric A c id .' B y W illiam W i l k e . . . 840 A S im ple T e s t fo r th e D e te rm in a tio n of B u tc c r-fa t in B u tte r.

B y J a m e s M. D o ra n ... 841 A p p a ra tu s a n d M eth o d fo r S u lp h u r D e te rm in a tio n in P e tr o ­

leu m Illu m in a tin g a n d L u b ric a tin g O ils. B y P . II.

C o n ra d so n ... 842 C arb o n D io x id e A b so rp tio n B o ttle . B y W . A . K o e n ig 844 A N ew A lloy w ith A cid R e sistin g P ro p e rtie s. B y S. W . P a r r . 844 M odified B u n se n V alv e. B y L eslie R u sse ll M ilfo rd ... 845 A Sim p le F o rm of L a b o ra to r y S u p p o rt. B y T . L in se y Cross-

le y ...

Ob i t u a r i e s: M orris L o eb .

846

846

T h e D e n a tu r a tio n of A lcohol w ith P y rid in e . ...

T h e S ta tu s of th e A rtificial S ilk I n d u s t r y ...

A n o th e r R u b b e r S u b s titu te ...

T h e S ta te of th e P la tin u m M a rk e t...

In c re a sin g th e R esista n ce o f A lloys t o C hem ical A c tio n ...

T h e P u rific a tio n of B oiler-feed W a t e r ...

T h e A lk ali In d u s try ’ in G re a t B rita in d u rin g 1911...

S u lp h u r D io x id e fro m Ir o n P y r ite s ...

A H y d ro g e n -su p p ly fo r D irig ib le B allo o n s...

“ D u ro b a x ” G la ss...

“ T r ip le x ” G la s s ...

I m p o r ts a n d E x p o r ts of C h em ica ls...

A c id -re sistin g A llo y s ...

T h e S clioop M etallizin g P ro c e s s ...

T h e S ta te of th e A n tim o n y M a r k e t...

P o ro u s M e ta ls...

P e a t F u e l fo r th e P ro d u c tio n of P o w e r...

A N ew W a te r -jc t A ir- p u m p ...

T h e P a rk in s o n P a t e n t F u r n a c e ...

R ein fo rced G a lv an ize d S p ira l P i p e . ...

A N ew A u to m a tic W a t e r - J e t A ir - P u m p ...

T h e U se o f G ra p h ite in B o ile rs ...

No t e sa n d Co r r e s p o n d e n c e:

T h e T h ird I n te rn a tio n a l R u b b e r E x h i b itio n ...

T h e U n d e rw rite rs ’ L a b o ra to rie s E x t ra c tio n A p p a ra tu s: A N o t e ...

B u re a u o f S ta n d a rd s A n aly zed S a m p le s ... ...

T h e D e te rm in a tio n of B en z a ld e h y d e, M arasch in o C h erries a n d M arasch in o L iq u eu r: A C o rre c tio n ...

P h e n o l-fo rm a ld e h y d e C o n d en sa tio n P r o d u c ts : A C o rre c tio n .

Book Re v ie w s:

I n d u s tria l C h e m istry ; F o o d s a n d D ru g s ; D ie A n a ly se d e r selten e n E rd e n u n d d e r E r d s u a re n ; R e se arch e s in C ellu­

lo se; M eth o d s of O rg an ic A n a ly sis...

Cu r r e n t In d u s t r i a l Ne w s:

P lu in b ism in N ew Y o rk C ity ... 849 T h e C hem ical In d u s trie s of F ra n c e in 1911... 849

Ne w Pu b l i c a t i o n s. .

Re c e n t In v e n t i o n s.

Ma r k e t Re p o r t...

Ed i t o r i a l s:

T h e R e se a rc h C o rp o ra tio n , a n E x p e rim e n t in P u b lic A d m in is­

tr a tio n of P a t e n t R ig h ts ... ...

Or i g i n a l Pa p e r s:

A S tu d y o f th e V a ria tio n s of th e P h y sic a l a n d C hem ical P r o p e r­

tie s o f R e d L ead . B y O . W . B ro w n a n d A . R . N ees. . 867 T h e C o n tin u o u s P u rific a tio n o f C oal G as w ith W e a k A m m o n ia

L iq u o r. B y J . G. O ’N e ill... 876 S tu d ie s o n F ish Oils, I I I : P r o p e rtie s of F is h a n d V eg etab le

Oil M ix tu re s. B y G eo rg e F . W h ite a n d A d ria n T h o m a s 878 T h e R e la tio n o f th e R e fra c tiv e In d e x of S o d a -B a riu m a n d

S o d a-L im e G lasses to th e ir C hem ical C o m p o sitio n . B y E d w in W a rd T illo tso n , J r ...• ... 882 T h e C o m p o sitio n of th e S a lin e s of th e U n ite d S ta te s I I .

N a tu r a l (S u b te r ra n e a n ) B rin e s a n d M o th e r L iq u o rs fro m N a tu r a l B rin e s. B y J . W . T u rre n tin e , w ith A n ­ a ly ses b y A . R . M erz a n d R . F . G a r d n e r ... 885 T h e D e te rm in a tio n of Z inc b y E le c tro a n a ly sis. B y E llw ood

B . S p e a r a n d S a m u e l S. S t r a h a n ... 889 T h e K a in b a r a E a r t h . A D e c o lo riz in .. M ate rial fo r M ineral

Oils, etc. B y K . K o b a y a s lii... 891 In v e s tig a tio n o f th e M eth o d s fo r th e D e te rm in a tio n s o f T o ta l

F a t t y A cids in C o tto n -S ee d F o o ts . B y F r a n k N . S m a lle y ... 893 T h e D e te rm in a tio n o f C h ro m iu m a n d V a n a d iu m in S teel. B y

D . J . D e m o re s t... 895 A R a p id C o n tro l M eth o d fo r t h e D e te rm in a tio n of Oil in

G ra in s. B y E . P . H a r d in g a n d L illian L . N y e ... 895 S o y B e a n C heese. B y W illiam V . L i n d e r ... 897 La b o r a t o r y a n d Pl a n t:

A N ew F o rm of O rs a t A p p a ra tu s . B y L . M. D e n n is ... 898 T h e S to rm e r V isco sim eter a n d th e V a lu e of V isco sity D e­

te rm in a tio n s b y its U se. B y G ilb e rt R ig g a n d J . L.

C a r p e n te r... 901 A p p a ra tu s a n d M eth o d fo r “ C arb o n T e s t a n d A sh R e s id u e ”

in P e tro le u m L u b ric a tin g O ils. B y P . H . C o n ra d s o n .. . 903 A S elf-F illin g M easu rin g W a s h B o ttle . B y O. C. S m i t h 905

la n fo r O rg an ized R e se a rc h a n d A n a ly tic a l C h em istry

DECEMBER.

in S uccessful C hem ical M a n u fa c tu rin g . B y W illiam C. F e rg u s o n ...

864 T h e E le c tric a l P re c ip ita tio n o f S u sp e n d ed P a rtic le s b y th e C o ttre ll P ro cesses. B y L in n B ra d le y ...

T h e C o n tro l o f T e m p e ra tu re in th e O p e ra tio n s o f A n a ly tic a l C h em istry . B y T h e o d o re W . R ic h a r d s ...

Cu r r e n t In d u s t r i a l Ne w s:

“ V itre o sil” in th e N itric A cid I n d u s t r y ...

D e v e lo p m e n t of th e S u lp h ite I n d u s t r y ...

P ro b le m s in P a p e rm a k in g ...

T h e A u tu m n M eeting o f th e I n s t i t u t e o f M etals.

S olid d i l a s a M arine F u e l ...

H ig h -P re ss u re G as L ig h tin g , ...

T h e P ro p e rtie s of M o to r F u e ls ...

T h e C o n su m p tio n o f O x y g e n ...

“ P la m b o x a n ” ...

A lu m in u m A llo y s ...

M eta llu rg ie ...

A N ew T y p e o f C o n tin u o u s F u r n a c e ...

A rtific ial S ilk s ...

No t e s a n d Co r r e s p o n d e n c e:

O b itu ary '— T h o m a s P r ic e ...

A S u g g e stio n R e g a rd in g t h e G ra d u a tio n o f H y d ro m e te rs ...

T h e E ffe c t o f “ L im e-S u lp h u r” S p r a y M a n u fa c tu re on th e Ey'esight.— A N o te ...

T h e A n d re w C arnegie R e s e a rc h S c h o la rs h ip ...

A m e ric a n I n s t i t u t e of C hem ical E n g in e e rs ...

T h e C h em ical So cieties in N ew Y o rk C ity ...

O n th e S ta rc h of G lu tin o u s R ice a n d its Hy’d ro ly sis b y D ia sta s e .

— A C o rre c tio n ...

Bo o k Re v i e w s:

P a p e r P u lp s fro m V a rio u s F o r e s t W o o d s; T h e M e ta llo g rap h v o f I r o n a n d S te e l, A n a ly sis of M e ta llu rg ica l a n d E n g i­

neerin g M a te ria ls...

Ne w Pu b l i c a t i o n s. .

Re c e n t In v e n t i o n s. Ma r k e t Re p o r t...

niSLlDTEK^ VJYi

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