INDUSTRIAL AND ENGINEERING CHEMISTRY ANALYTICAL E D I T I O N WALTER J . M U R P H Y , EDITOR
ISSUED MARCH 21, 1945
CONSECUTIVE NO. 6
VOL. 17, NO. 3
Lawrence T. Hallett, Associate Editor Manuscript
Editor:
G. GLADYS GORDON
Manuscript
Assistant:
STELLA ANDERSON
Make-up
Assistant:
CHARLOTTE C. SAYRE
Advisory Board R. P. CHAPMAN J. R. CHURCHILL Β. L. CLARKE
T . R. CUNNINGHAM G. E. F . LUNDELL M. G. M E L L O N
R . H . MÜLLER B . L. OSER H . H . WILLARD
Rapid D e t e r m i n a t i o n of S t a r c h John P. Nielsen and Peggy C. Gleason 131
Laboratory M a c h i n e for Investigating Corrosion of Bearings . S. K. Talley, R. G. Larsen, and W. A. W e b b 168
Precise M e t h o d for Isolation of H i g h P o l y m e r s . . Frederick M. Lewis and Frank R. Mayo 134
Efficient a n d Versatile Laboratory F r a c t i o n a t i o n Column Assembly Floyd Todd 175
D e t e r m i n a t i o n of Riboflavin i n Low-Potency Foods and Feeds S. H. Rubin, E. De Ritter, R. L. Schuman, and J. C. Bauernfeind 136
MICROCHEMISTRY
Modified M e t h y l Yellow Indicator for Direct Titrat i o n of S o d i u m Carbonate . . Walter R. Carmody 141 A p p l i c a t i o n of Colorimetry t o t h e Analysis of Cor ros ion-Res is tant S t e e l s Oscar Milner, Kenneth L. Proctor, and Sidney Weinberg 142
Q u a n t i t a t i v e D e t e r m i n a t i o n of (/-Xylose b y Selective F e r m e n t a t i o n Louis E. Wise and John W. Appling 182 Light a n d Electron Microscopy of P i g m e n t s . . . D. G. Brubaker 184 T i t r a t i o n of Microgram S a m p l e s Anne G. Loscalzo and A. A. Benedetti-Pichler 187
Q u a n t i t a t i v e S p e c t r o g r a p h s M e t h o d for Analysis of S m a l l S a m p l e s of Powders Elmore J. Fitz and William M. Murray 145
A m p o u l e T e s t i n g w i t h M a n o m e t r i c Apparatus . . Al Steyermark 191
D e t e r m i n a t i o n of Fluoride i n Water William L. Lamar 148
M i c r o d e t e r m i n a t i o n of Water . . . Gabor B. Levy, Justin J. Murtaugh, and Maurice Rosenblatt 193
Q u a n t i t a t i v e E s t i m a t i o n of DDT a n d of DDT Spray or D u s t D e p o s i t s Francis A. Gunther 149
NOTES ON ANALYTICAL PROCEDURES
S i m p l e T e s t s for Identification of S u l f o n a m i d e s . . Albert B. Sample 151
Métallo-Organic Complexes i n Organic Analysis
M e t h o d for Classification of P e t r o l e u m Waxes . . . Anthony Kinsel and Joseph Phillips 152
S i m p l e Polarographic Cell. . . J . Brennan Gisclard 196
D e t e r m i n a t i o n of Portland C e m e n t i n Drilling M u d s a n d S o i l - C e m e n t Mixtures R. George Mihram a n d Betty Brown 156
D e t e r m i n a t i o n of Copper i n A l u m i n u m Alloys Sidney Weinberg 197 Packing Support for Laboratory F r a c t i o n a t i n g Columns John R. Long 197
Glass-Surfaced M a g n e t i c P u m p for Circulating Liquids i n H i g h - V a c u u m S y s t e m G. D. Oliver, W. G. Bickford, S. S. Todd, and P. J. Fynn 158
Water Vapor a n d McLeod Type of V a c u u m Gage Earl W. Flosdorf 198
N e w Colorimetric R e a c t i o n of V i t a m i n s D 2 a n d D 3 a n d Their P r o v i t a m i n s Albert E. Sobel, A. Margot Mayer, and Benjamin Kramer 160 T h e r m o b a r o m e t e r . Quick a n d Exact Conversion of Gas V o l u m e s i n t o W e i g h t Ernst Berl, W. G . Berl, and G. A. Sterbutzel 166
Frederick R. Duke 196
M i c r o d e t e c t i o n of Sulfur i n Insoluble S u l f a t e s a n d i n Organic C o m p o u n d s F. E. Hahn 199 Final Report o n 15-Year Collective Index Charles L. Bernier 200 BOOK REVIEW
200
The American Chemical Society assumes no responsibility for the statements and opinions advanced by contributors to its publications. 31,500 copies of this issue printed. Copyright 1945 by American Chemical Society.
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