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T H E JOURNAL OF THE
AMERICAN CHEMICAL SOCIETY. V O L . X X I I I . — NO. 7.
JULY, 1 9 0 1 . E D W A R D H A R T , Editor, W. F. H I L L E B R A N D , J. H. L O N G , W M . M C M U R T R I E , A R T H U R A. N O Y E S , W. A. N O Y E S , E D G A R F. S M I T H , H. N. S T O K E S , H. P. T A L B O T , H . W. W I L E Y . COMMITTEE ON PAPERS AND PUBLICATIONS.
CONTENTS.
Proceedings
( 107 )-( 108) PAPERS. O n S o m e A d d i t i o n - R e a c t i o n s of T h i o A c i d s . B y H e n r y L. W h e e l e r · - 443 S t u d i e s o n S o l u t i o n s of S t a n n o u s S a l t s , I I I . B y S. W . Y o u n g 450 T h e Reaction between Chlorine and Ammonia. By W i l l i a m A. N o y e s a n d A l b e r t C. L y o n 460 T h e B o i l i n g - p o i n t C u r v e for M i x t u r e s of E t h y l A l c o h o l a n d W a t e r . By W i l l i a m A. N o y e s a n d R . R . W a r f e l 463 T h e V o l u m e t r i c D e t e r m i n a t i o n of Z i n c . B y P e r c y H . W a l k e r 468 T h e E x t r a c t i o n of M o r p h i n e w i t h I m m i s c i b l e S o l v e n t s . By W . A . P u c k n e r 4 7 0 I m p r o v e d E l e c t r i c E u r n a c e for L a b o r a t o r y U s e . By S a m u e l A u c h m u t y T u c k e r a n d H e r b e r t R. M o o d y 473 T h e O x i d a t i o n of N i t r o g e n a s a S o u r c e of E r r o r i n t h e E s t i m a t i o n of H y d r o g e n a n d M e t h a n e . By A l f r e d H . W h i t e 476 N o t e o n S o m e M o d i f i e d F o r m s of P h y s i c o - C h e m i c a l M e a s u r i n g A p p a r a t u s . By A l l e r t o n S. Cushman 482 A R a p i d M e t h o d for t h e D e t e r m i n a t i o n of A r s e n i o u s O x i d e i n P a r i s G r e e n . B y S. A v e r y a n d H . T . B e a n s 485 N o t e o n t h e A n a l y s i s of N u c l e i c A c i d s O b t a i n e d f r o m D i f f e r e n t S o u r c e s . B y P . A. Levene 486 O n t h e E l i m i n a t i o n a n d Q u a n t i t a t i v e E s t i m a t i o n of W a t e r in O i l s , F a t s , a n d W a x e s . B y C h a r l e s B. D a v i s 487 O n t h e D e c o m p o s i t i o n of S o d i u m N i t r a t e b y S u l p h u r i c A c i d , I I . By C. W . V o l n e y 489 Modified W i l l i a m s M e t h o d for M a n g a n e s e . By R a n d o l p h B o i l i n g 493 O n T r i v a l e n t C a r b o n . By M . Gomberg 496 T h e A t o m i c W e i g h t of A n t i m o n y . By G. C l a u s e n F r i e n d a n d E d g a r F . Smith
502
T h e C h e m i c a l N a t u r e of E n z y m e s . By P . A. L e v e n e 505 C o n t r i b u t i o n s t o t h e K n o w l e d g e of R e v e r s i b l e R e a c t i o n s . B y W . N . S t u l l 508 New Books : Atoms and Energies ; Quantitative Chemical Analysis ; T h e M a n u f a c t u r e of L a k e P i g m e n t s from Artificial Colours ; Glue a n d G l u e T e s t i n g ; Select M e t h o d s in Food A n a l y s i s ; P u r e Air, Ozone a n d W a t e r ; E x p e r i m e n t s A r r a n g e d for S t u d e n t s in G e n e r a l C h e m i s t r y ; I r o n Corrosion ; T r a i t é de la F a b r i c a t i o n des L i q u e u r s et de la Distillation des Alcools ; A M a n u a l of L a b o r a t o r y Physics ; Public W a t e r Supplies, R e q u i r e m e n t s , Resources, a n d t h e Construction of W o r k s ; T h e M i n e r a l I n d u s t r y ; An E l e m e n t a r y T r e a t i s e on Qualitative Chemical A n a l y s i s
REVIEW OF AMERICAN CHEMICAL RESEARCH
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E v e r y t h i n g intended for insertion in t h e Journal should be addressed t o t h e Editor, Edward Hart, E a s t o n , P a . Orders for back numbers of t h e Journal should be a d dressed t o t h e Librarian, E. Q. L o v e , 108 W e s t 5 5 t h S t r e e t , N e w York City, C h a n g e s of address should be s e n t t o t h e Secretary, A. C. Hale, 3 5 2 A Hancock S t r e e t , B r o o k l y n , Ν. Υ.
— OFFICERS OF THE AMERICAN CHEMICAL
SOCIETY.
President : F . W . C l a r k e , U. S. Geological S u r v e y , W a s h i n g t o n , D. C. Vice-Presidents : T h e P r e s i d i n g Officers of t h e Local S e c t i o n s ; see below. Secretary: A l b e r t C. H a l e , 352-A H a n c o c k St., B r o o k l y n , Ν . Υ. Treasurer : A l b e r t P. H a l l o c k , 440 F i r s t Ave., Ν . Y. City. Librarian: E . G. Love, 108 W. 55th St., Ν . Υ. C i t y . Committee on Papers and Publications : E d w a r d H a r t , E d i t o r , W. F . Hillebrand, J. H . Long,0 W m . McMurtrie, A r t h u r A. Noyes, W . A. Noyes, E d g a r F . S m i t h , H . N. Stokes, H . P . Talbot, H. W. Wiley. Committee on Membership : Wrn. M c M u r t r i e ; C. L. R e e s e ; E . G. Love. Finance Committee : J . H . W a i n w r i g h t ; D u r a n d W o o d m a n ; C. F. M c K e n n a . Directors. Members ex-officio : F . W . C l a r k e , Pres.; A l b e r t C. H a l e , S e c ; A l b e r t P . Hallock, Treas. Perm expires Oecember, 1901 : C. F . C h a n d l e r , Ε. Ε . S m i t h . Term expires December, 1902 : C. A. Doremus, C. B. Dudley. Council. Members ex-officio : F . W . C l a r k e , Pres. ; A l b e r t C. H a l e , Sec; A l b e r t P. H a l l o c k , T r e a s . ; E d w a r d H a r t , E d i t o r ; S. W. J o h n s o n , C. F . C h a n d l e r , J. W . M a l l e t , A. B. P r e s c o t t , C. A. G o e s s m a n n , G. F . B a r k e r , G. C. C a l d w e l l , H . W . W i l e y , E . F. S m i t h , C. B. D u d l e y , C. E. M u n r o e , E d w a r d W. M o r l e y , W m . M c M u r t r i e , P a s t P r e s i d e n t s . Councilors at large. — Perm expires December, 1901 : T. M. D r o w n , A. A. N o y e s , I r a R e i n s e n , C. F . M c K e n n a . Perm expires December, 1902: C. F . M a b e r y , W . B. Rising, S. P. S a d t l e r , F . P. V e n a b l e . Perm expires December, 1903 : F . A. Gooch, W. A. N o y e s , T. W . R i c h a r d s , H . L. W e l l s . Councilors f r o m Local Sections.—Rhode Island Section : C. A. C a t l i n . C i n c i n n a t i Section : T h o m a s E v a n s . New York Section : C. A. D o r e m u s , G. C. S t o n e , A. H . S a b i n , E. E . S m i t h . Washington Section : W . F . H i l l e b r a n d . L e h i g h Valley Section : P o r t e r W . Shinier. Chicago Section : J o h n H . L o n g . Nebraska Section : H . H . N i c h o l s o n . North Carolina Section: C h a r l e s B a s k e r v i l l e . Columbus Section: Win. McPhersou. North Eastern Section: L. P. K i n n i c u t t , A. D. L i t t l e , H . P. T a l b o t . Philadelphia Section : J o h n M a r s h a l l . Michigan Section : E . D. C a m p b e l l . Kansas City Section: J. R. M o e c h e l . Local Sections. Rhode Lsland Section: W a l t e r M. S a u n d e r s , Pres. Officer; W a l t e r E . S m i t h , Sec., 47 J e n k i n s St., P r o v i d e n c e , R. I. Cincinnati Section : W m . H . C r a n e , Pres. Officer; F r a n k I. S h e p h e r d , Sec., Univ. of C i n c i n n a t i , C i n c i n n a t i , O. New York Section: M a r s t o n T. Bogert, Pres. Officer; J. A. M a t h e w s , Sec., C o l u m b i a Univ., Ν . Y . C i t y . Washington Section: V. K. C h e s u u t , Pres. Officer; L. S. M u n s o n , Sec., D e p t . of Agr., W a s h i n g t o n , D. C. Lehigh Valley Section: J o s . W . R i c h a r d s , Pres. Officer; R i c h a r d K. Meade, Sec., L a f a y e t t e College, E a s t o n , P a . Chicago Section : F e l i x Lengfield Pres.Officer; F. B. D a i n s , Sec., 2421 D e a r b o r n St., Chicago, 111. NebraskaSection: H. H. N i c h o l s o n , Pres. Officer; R. S. Hiltner, Sec., Univ. of Neb., L i n c o l n , N e b . North Carolina Section: W . A. W i t h e r s , Pres. Officer; C. B. W i l l i a m s , S e c . , N . C. Dept. of Agr., R a l e i g h , N . C . Columbus Section: H . A. W e b e r , Pres. Officer; W . E. H e n d e r s o n , Sec., O h i o S t a t e Univ., C o l u m b u s , O. North Eastern Section : J o h n Alden, Pres. Officer; J a m e s F . N o r r i s , Sec., Mass. I n s t . T e c h n o l o g y , Boston, Mass. Philadelphia Section: H . W. J a y n e , Pres. Officer; F . E . D o d g e , Sec., Care B a r r e t t Mfg. Co., T u c k e r and B e r m u d a S t r e e t s , F r a n k f o r d , P h i l a . Michigan Section: P . C . Freer, Pres. Officer; Alfred H . W h i t e , Sec., 626 F o r e s t Ave., Ann Arbor, Mich. Kansas City Section : E . H . S. Bailey, Pres. Officer.; A r m a n d R. Miller, Sec., M. T. H i g h School, K a n s a s City, M o . PAPERS ACCEPTED FOR PUBLICATION : T h e Determination of S u l p h u r in Iron a n d Steel. By William A. Noyes a n d L. Leslie H e l m e r . By A u g u s t H e n r y T h e Synthesis of Alkyl Ketodihydroquinazolins from Anthranilic Àcid. Gotthelf. The Indirect W e i g h i n g of Quantitative Precipitates. By R. W . T h a t c h e r . A Modification of t h e Sulphuric Acid T e s t for F o r m a l d e h y d e in Milk. By A. Gustav Luebert. On the Determination of F o r m a l d e h y d e . By A. G. Craig. The Electrolytic Determination of Molybdenum. By Lily Gavit Kollock a n d E d g a r F. S m i t h . ' T h e Electrolytic M e t h o d Applied to Uranium. By Lily Gavit Kollock a n d E d g a r F . S m i t h . A Comparison of t h e Solubility of Acetylene and E t h y l e n e . By Samuel A u c h m u t y T u c k e r and Herbert R. Moody. T h e Electrolytic Separation of Mercury from Copper. By C. Roscoe S h a w a n d E d g a r F . Smith. T h e Precipitation a n d Separation of Silver in t h e Electrolytic Way. By W . H . F\ilweiler a n d E d g a r F . Smith. An Automatic Filter Washer. By J. M. Pickel. Preparation of the 2.5-Dimethylbeiizaldehyde : T h e E s t a b l i s h m e n t a n d Preparation of S o m e of Its Derivatives. By E v e r h a r t P. H a r d i n g a n d Lilian Cohen. Researches on Nitrocellulose. By G. L u n g e . Copyright,
rgoi, by Edivard
Hart,
Chairman of the Committee on Papers and Publications A merican Chemical Society.
of the
