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THE JOURNAL OF T H E

AMERICAN CHEMICAL SOCIETY. VOL. XXIII.—NO. 9.

SEPTEMBER, 1901. EDWARD HART, Editor, W. F. HILLEBRAND, J. H. LONG, WM. MCMURTRIE, ARTHUR A. NOYES, W. A. NOYES, EDGAR F. SMITH, H. N. STOKES, Η. Ρ TALBOT, H. W. WILEY. COMMITTEE ON PAPERS AND PUBLICATIONS.

CONTENTS.

PAGE. (115)—(116)

Proceedings

PAPERS. T h e S y n t h e s i s of A l k y l K e t o d i h y d r o q u i n a z o l i n s f r o m A n t h r a n i l i c A c i d . By August H e n r y Gotthelf 611 O n t h e E s t i m a t i o n of U r e a i n U r i n e . B y J . H . L o n g 632 O n t h e D e t e r m i n a t i o n of F o r m a l d e h y d e . By A. G. Craig 638 T h e I n d i r e c t W e i g h i n g of Q u a n t i t a t i v e P r e c i p i t a t e s . A Rapid a n d A c c u r a t e M e t h o d f o r D e t e r m i n i n g t h e W e i g h t of a P r e c i p i t a t e w i t h o u t S e p a r a t i n g I t from t h e Liquid from W h i c h I t W a s Pre­ By R. W . Thatcher 644 cipitated. T h e E l e c t r o l y t i c D e t e r m i n a t i o n of M o l y b d e n u m . Βy Lily Gavit Kollock a n d Edgar F . Smith 669 A C o m p a r i s o n of t h e S o l u b i l i t y of A c e t y l e n e a n d E t h y l e n e . By Samuel Auchmuty Tucker and Herbert R. Moody 671 T h e D e t e r m i n a t i o n of S u l p h u r i n I r o n a n d S t e e l . B y W i l l i a m A . N o y e s and L . Leslie H e l m e r 675 T h e S u l p h o h a l i d e s of L e a d . B y V i c t o r L e n h e r 680 A Modification of t h e S u l p h u r i c A c i d T e s t f o r F o r m a l d e h y d e i n Milk. By A. Gustav Luebert 682 New Books : Quantitative Analysis 683 REVIEW OF AMERICAN

CHEMICAL

131-140

RESEARCH

EASTON, PA.: THE

CHEMICAL

PUBLISHING

COMPANY.

Entered at the Post-office, Easton, Pa., as Second-class Matter. E v e r y t h i n g intended for insertion in t h e J o u r n a l should be addressed t o t h e Editor, E d w a r d Hart, E a s t o n , P a . Orders for back n u m b e r s of t h e J o u r n a l should be a d ­ dressed t o t h e L i b r a r i a n , E . G. Love, 108 W e s t 55th S t r e e t , New York City C h a n g e s of a d d r e s s should be s e n t t o t h e S e c r e t a r y , A. C. Hale, 352 A Hancock S t r e e t Brooklyn, N. V.

OFFICERS OF THE AMERICAN CHEMICAL SOCIETY.

President : F. W. Clarke, U. S. Geological Survey, Washington, D. C. Vice-Presidents : The Presiding Officers of the Local Sections; see below. Secretary : Albert C. Hale, 352-A Hancock St., Brooklyn, Ν. Υ. Treasurer : Albert P. Hallock, 440 First Ave., Ν. Υ. City. Librarian: E. G. Love, 108 W. 55th St., N. Y. City. Committee on Papers and Publications : Edward Hart, Editor, W. F. Hillebrand, J. H. Long Wm. McMurtrie, Arthur A. Noyes, W. A. Noyes, Edgar F. Smith, H. N. Stokes, Η. Ρ Talbot, H. W. Wiley. Committee on Membership : Wm. McMurtrie ; C. L. Reese; E. G. Love. Finance Committee : J. H. Wainwright; Durand W o o d m a n ; C. F. McKenna. Directors. Members eχ-officio: F. W. Clarke, Pres.; Albert C. Hale, Sec.; Albert Ρ Hallock, Treas. Term expires December, 1901: C. F. Chandler, Ε. Ε. Smith. Terr, expires December, 1902: C. A. Doremus, C. B. Dudley. Council. Members ex-officio: F. W. Clarke, P r e s . ; Albert C. Hale, Sec.; Albert P. Hallock T r e a s . ; Edward Hart, E d i t o r ; S. W. Johnson, C. F. Chandler, J. W. Mallet, A. B Prescott, C. A. Goessmann, G. F. Barker, G. C. Caldwell, H. W. Wiley, E. F. Smith C. B. Dudley, C. E. Munroe, Edward W. Morley, Wm. McMurtrie, Past Presidents. Councilors at large.— Term expires December, 1901: T. M. Drown, A. A. Noyes, Ira Remsen C. F. McKenna. Term expires December, 1902: C. F. Mabery, W. B. Rising, S. P Sadtler, F. P. Venable. Term expires December, 1903: F. A. Gooch, W. A. Noyes T. W. Richards, H. L. Wells. Councilors from Local Sections.—Rhode Island Section: C. A. Catlin. Cincinnati Section Thomas Evans. New York Section: C. A. Doremus, G. C. Stone, A. H. Sabin, Ε. Ε Smith. Washington Section: W. F. Hillebrand. Lehigh Valley Section: Porter W Shimer. Chicago Section: John H. Long. Nebraska Section: Η. Η. Nicholson North Carolina Section: Charles Baskerville. Columbus Section: Wm. McPherson North Eastern Section: L. P. Kinnicutt, A. D. Little, H. P. Talbot. Philadelphia Section John Marshall. Michigan Section: E. D. Campbell. Kansas City Section: J. R. Moeche Local Sections. Rhode Island Section: Walter M. Saunders, Pres. Officer; Walter Ε Smith, Sec., 47 Jenkins St., Providence, R. I. Cincinnati Section: Wm. H. Crane, Pres Officer; Frank I. Shepherd, Sec., Univ. of Cincinnati, Cincinnati, O. New York Section Marston T. Bogert, Pres. Officer; J. A. Mathews, Sec., Columbia Univ., Ν. Υ. City Washington Section: V. K. Chesnut, Pres. Officer; L. S. Munson, Sec., Dept. ο Agr., Washington, D. C. Lehigh Valley Section: Jos. W. Richards, Pres. Officer Richard K. Meade, Sec., Lafayette College, Easton, Pa. Chicago Section: Felix Lengfiel Pres. Officer; F. B. Dains, Sec., 2421 Dearborn St., Chicago, I11. Nebraska Section: H. H Nicholson, Pres. Officer; R. S. Hiltner, Sec., Univ. of Neb., Lincoln, Neb. North Carolin Section: W. A. Withers, Pres. Officer; C. B. Williams, Sec., N. C. Dept. of Agr Raleigh, N.C. Columbus Section: H. A. Weber, Pres. Officer; W. E. Henderson, Sec., Ohi State Univ., Columbus, O. North Eastern Section: John Alden, Pres. Officer; James I Norris, Sec., Mass. Inst. Technology, Boston, Mass. Philadelphia Section: H. W. Jayne Pres. Officer; F. E. Dodge, Sec., Care Barrett Mfg. Co., Tucker and Bermuda Streets Frankford, Phila. Michigan Section: P. C. Freer, Pres. Officer; Alfred H. White Sec., 626 Forest Ave., Ann Arbor, Mich. Kansas City Section: E. H. S. Bailey, Pres Officer.; Armand R. Miller, Sec., M. T. High School, Kansas City, Mo. P A P E R S ACCEPTED FOR PUBLICATION : Quantitative Separation and Determination of Uranium. By Edward F. Kern. Copyright, 1901, by Edward

Hart, Chairman of the Committee on Papers and Publications American Chemical Society.

of the