Masthead
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INDUSTRIAL AND ENGINEERING CHEMISTRY ANALYTICAL EDITION WALTER J. MURPHY, EDITOR ISSUED MARCH 21, 1945 VOL. 17, NO. 3 CONSECUTIVE NO. 6 Manuscript Editor: G. GLADYS GORDON R. P. CHAPMAN J. R. CHURCHILL Β. L. CLARKE Lawrence T. Hallett, Associate Editor Manuscript Assistant: STELLA ANDERSON Advisory Board T. R. CUNNINGHAM G. E. F. LUNDELL M. G. MELLON Make-up Assistant: CHARLOTTE C. SAYRE R. H. MÜLLER B. L. OSER H. H. WILLARD Rapid Determination of Starch John P. Nielsen and Peggy C. Gleason 131 Precise Method for Isolation of High Polymers . . Frederick M. Lewis and Frank R. Mayo 134 Determination of Riboflavin in Low-Potency Foods and Feeds S. H. Rubin, E. De Ritter, R. L. Schuman, and J. C. Bauernfeind 136 Modified Methyl Yellow Indicator for Direct Titra- tion of Sodium Carbonate . . Walter R. Carmody 141 Application of Colorimetry to the Analysis of Corrosion-Resistant Steels Oscar Milner, Kenneth L. Proctor, and Sidney Weinberg 142 Quantitative Spectrographs Method for Analysis of Small Samples of Powders Elmore J. Fitz and William M. Murray 145 Determination of Fluoride in Water William L. Lamar 148 Quantitative Estimation of DDT and of DDT Spray or Dust Deposits Francis A. Gunther 149 Simple Tests for Identification of Sulfonamides . . Albert B. Sample 151 Method for Classification of Petroleum Waxes . . . Anthony Kinsel and Joseph Phillips 152 Determination of Portland Cement in Drilling Muds and Soil-Cement Mixtures R. George Mihram and Betty Brown 156 Glass-Surfaced Magnetic Pump for Circulating Liquids in High-Vacuum System G. D. Oliver, W. G. Bickford, S. S. Todd, and P. J. Fynn 158 New Colorimetric Reaction of Vitamins D 2 and D 3 and Their Provitamins Albert E. Sobel, A. Margot Mayer, and Benjamin Kramer 160 Thermobarometer. Quick and Exact Conversion of Gas Volumes into Weight Ernst Berl, W. G. Berl, and G. A. Sterbutzel 166 Laboratory Machine for Investigating Corrosion of Bearings . S. K. Talley, R. G. Larsen, and W. A. Webb 168 Efficient and Versatile Laboratory Fractionation Column Assembly Floyd Todd 175 MICROCHEMISTRY Quantitative Determination of (/-Xylose by Selec- tive Fermentation Louis E. Wise and John W. Appling 182 Light and Electron Microscopy of Pigments . . . D. G. Brubaker 184 Titration of Microgram Samples Anne G. Loscalzo and A. A. Benedetti-Pichler 187 Ampoule Testing with Manometric Apparatus . . Al Steyermark 191 Microdetermination of Water . . . Gabor B. Levy, Justin J. Murtaugh, and Maurice Rosenblatt 193 NOTES ON ANALYTICAL PROCEDURES Métallo-Organic Complexes in Organic Analysis Frederick R. Duke 196 Simple Polarographic Cell. . . J . Brennan Gisclard 196 Determination of Copper in Aluminum Alloys Sidney Weinberg 197 Packing Support for Laboratory Fractionating Columns John R. Long 197 Water Vapor and McLeod Type of Vacuum Gage Earl W. Flosdorf 198 Microdetection of Sulfur in Insoluble Sulfates and in Organic Compounds F. E. Hahn 199 Final Report on 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. Published by the American Chemical Society at Easton, Pa. Edi- torial Office: 1155 16th Street, N. W., Washington 6, D. Ç.; .telephone. Republic 5301; cable, Jiechem (Washington). New York Editorial Branch: 60 East 42nd Street, New York 17, N. Y.;- telephone, Murray Hill 2-4662. Chicago Editorial Branch: 310 South Michigan Avenue, Chicago 4, 111.; telephone, Wabash 7376. Business Office: American Chemical Society, 1155 16th Street, N. W., Washington 6, D. C. Advertising Office: 332 West 42nd Street, New York 18, Ν. Υ.; telephone, Bryant 9-4430. Entered as second-class matter at the Post Office at Easton, Pa., under the Act of March 3, 1879, as 24 times a year—Industrial Edition monthly on the 1st, Analytical Edition monthly on the 15th. Acceptance for mailing at special rate of postage provided for in Section 1103, Act of October 3, 1917, authorized July 13, 1918. Remittances and orders for subscriptions and for single copies, notices of changes of address and new professional connections, and claims for missing numbers should be sent to the American Chemical Society, 1155 16th Street, N. W., Washington 6, D. C. Changes of address for the Industrial Edition must be received on or before the 18th of the preceding month and for,the Analytical Edition not later than the 30th of the preceding month. Claims for missing numbers will not be allowed (1) if received more than 60 days from date of issue (owing to the hazards of wartime delivery, no claims can be honored from subscribers outside of North America), (2) if loss was due to failure of notice of change of address to be received before the dates specified in the preceding sentence, or (3) if the reason for claim is "missing from files". Annual subscription—Industrial Edition and Analytical Edition sold only as a unit, members $3.00, nonmembers $4.00. Postage to countries not in the Pan-American Union $2.25; Canadian postage $0.75. Single copies—- current issues, Industrial Edition $0.75, Analytical Edition $0.50; back numbers, Industrial Edition $0.80, Analytical Edition prices on request; special rates to members. The American Chemical Society also publishes Chemical and Engineering News, Chemical Abstracts, and Journal of the American Chemical Society. Rates on request.
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Transcript of Masthead
INDUSTRIAL AND ENGINEERING CHEMISTRY ANALYTICAL EDITION
WALTER J. MURPHY, EDITOR ISSUED MARCH 21, 1945 VOL. 17, NO. 3 CONSECUTIVE NO. 6
Manuscript Editor: G. GLADYS GORDON
R. P. CHAPMAN J. R. CHURCHILL Β. L. CLARKE
Lawrence T. Hallett, Associate Editor
Manuscript Assistant: STELLA ANDERSON
Advisory Board T. R. CUNNINGHAM G. E. F. LUNDELL M. G. MELLON
Make-up Assistant: CHARLOTTE C. SAYRE
R . H . MÜLLER B. L. OSER H. H. WILLARD
Rapid Determinat ion of Starch John P. Nielsen and Peggy C. Gleason 131
Precise Method for Isolation of High Polymers . . Frederick M. Lewis and Frank R. Mayo 134
Determinat ion of Riboflavin in Low-Potency Foods and Feeds S. H. Rubin, E. De Ritter, R. L. Schuman, and J. C. Bauernfeind 136
Modified Methyl Yellow Indicator for Direct Titrat ion of S o d i u m Carbonate . . Walter R. Carmody 141
Applicat ion of Colorimetry to the Analysis of Corrosion-Resistant Steels Oscar Milner, Kenneth L. Proctor, and Sidney Weinberg 142
Quanti tat ive Spec trographs Method for Analysis of Smal l Samples of Powders
Elmore J. Fitz and William M. Murray 145
Determinat ion of Fluoride in Water William L. Lamar 148
Quantitat ive Es t imat ion of DDT and of DDT Spray or Dust Deposits Francis A. Gunther 149
Simple Tests for Identification of Sulfonamides . . Albert B. Sample 151
Method for Classification of Petroleum Waxes . . . Anthony Kinsel and Joseph Phillips 152
Determinat ion of Portland Cement in Drilling Muds and So i l -Cement Mixtures
R. George Mihram and Betty Brown 156
Glass-Surfaced Magnetic P u m p for Circulating Liquids in High-Vacuum Sys tem G. D. Oliver, W. G. Bickford, S. S. Todd, and P. J. Fynn 158
New Colorimetric Reaction of Vi tamins D2 and D3 and Their Provi tamins Albert E. Sobel, A. Margot Mayer, and Benjamin Kramer 160
Thermobarometer . Quick and Exact Conversion of Gas Volumes into Weight
Ernst Berl, W. G. Berl, and G. A. Sterbutzel 166
Laboratory Machine for Investigating Corrosion of Bearings . S. K. Talley, R. G. Larsen, and W. A. Webb 168
Efficient and Versatile Laboratory Fractionation C o l u m n Assembly Floyd Todd 175
MICROCHEMISTRY
Quantitat ive Determinat ion of (/-Xylose by Selective Fermentat ion
Louis E. Wise and John W. Appling 182
Light and Electron Microscopy of P i g m e n t s . . . D. G. Brubaker 184
Titration of Microgram Samples Anne G. Loscalzo and A. A. Benedetti-Pichler 187
Ampoule Test ing wi th Manometric Apparatus . . Al Steyermark 191
Microdeterminat ion of Water . . . Gabor B. Levy, Justin J. Murtaugh, and Maurice Rosenblatt 193
NOTES ON ANALYTICAL PROCEDURES Métallo-Organic Complexes in Organic Analysis
Frederick R. Duke 196
Simple Polarographic Cell . . . J . Brennan Gisclard 196
Determinat ion of Copper in A l u m i n u m Alloys Sidney Weinberg 197
Packing Support for Laboratory Fract ionating Co lumns John R. Long 197
Water Vapor and McLeod Type of Vacuum Gage Earl W. Flosdorf 198
Microdetect ion of Sulfur in Insoluble Sulfates and in Organic Compounds F. E. Hahn 199
Final Report on 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.
Published by the American Chemical Society at Easton, Pa. Editorial Office: 1155 16th Street, N. W., Washington 6, D. Ç.; .telephone. Republic 5301; cable, Jiechem (Washington). New York Editorial Branch: 60 East 42nd Street, New York 17, N. Y.;- telephone, Murray Hill 2-4662. Chicago Editorial Branch: 310 South Michigan Avenue, Chicago 4, 111.; telephone, Wabash 7376. Business Office: American Chemical Society, 1155 16th Street, N. W., Washington 6, D. C. Advertising Office: 332 West 42nd Street, New York 18, Ν. Υ.; telephone, Bryant 9-4430.
Entered as second-class matter at the Post Office at Easton, Pa., under the Act of March 3, 1879, as 24 times a year—Industrial Edition monthly on the 1st, Analytical Edition monthly on the 15th. Acceptance for mailing at special rate of postage provided for in Section 1103, Act of October 3, 1917, authorized July 13, 1918.
Remittances and orders for subscriptions and for single copies, notices of changes of address and new professional connections, and claims for missing numbers should be sent to the American Chemical Society, 1155 16th Street, N. W., Washington 6, D. C. Changes of address for the Industrial Edition
must be received on or before the 18th of the preceding month and for,the Analytical Edition not later than the 30th of the preceding month. Claims for missing numbers will not be allowed (1) if received more than 60 days from date of issue (owing to the hazards of wartime delivery, no claims can be honored from subscribers outside of North America), (2) if loss was due to failure of notice of change of address to be received before the dates specified in the preceding sentence, or (3) if the reason for claim is "missing from files".
Annual subscription—Industrial Edition and Analytical Edition sold only as a unit, members $3.00, nonmembers $4.00. Postage to countries not in the Pan-American Union $2.25; Canadian postage $0.75. Single copies—-current issues, Industrial Edition $0.75, Analytical Edition $0.50; back numbers, Industrial Edition $0.80, Analytical Edition prices on request; special rates to members.
The American Chemical Society also publishes Chemical and Engineering News, Chemical Abstracts, and Journal of the American Chemical Society. Rates on request.
