INDUSTRIAL AND ENGINEERING CHEMISTRY ANALYTICAL E D I T I O N WALTER J . MURPHY, EDITOR
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ISSUED SEPTEMBER 27, 1945 ·
VOL. 17, NO. 9
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CONSECUTIVE NO. 18
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 B. L. CLARKE
T. R. CUNNINGHAM G. E. F. LUNDELL M. G. MELLON
Determination of Chlorate in Caustic Soda Solutions By Reduction with Ferrous Sulfate Dwight Williams 533 Iodometric Method Dwight Williams and C. C Meeker 535 Colorimetric Method Dwight Williams and George S. Haines 538 Determination of Small Amounts of Silica . . . . M. F. Adams 542 Determination of Hydrogen, Carbon, and Nitrogen in Magnesium Alloys E. G. Bobalek and S. A. Shrader 544 Determination of Sodium and Potassium in Silicates George G. Marvin and Lawrence B. Woolaver 554 Agar-Streak Method for Assaying Antibiotic Substances . Selman A. Waksman and H. Christine Reilly 556 Determination of Vitamin A . . . Bernard L. Oser, DanielMelnick,MortonPader,RoslynRoth, andMonaOser 559 Quantitative Determination of Carbon Disulfide Richard L. Bishop and E. Louise Wallace 563 Analysis of Cyclopropane-Propylene Mixtures by Selective Hydrogénation E. S. Corner and R. N. Pease 564 Ternary Mixtures of Three Isomeric Hecanes . . . Verle A. Miller 566 Identification of Sulfonated Azo-2-naphthol Dyes . Robert F. Milligan, Samuel Zuckerman, and Louis Koch 569 Quantitative Determination of Bases by Means of Calomel L. N. Markwood, H. D. Mann, and R. H. Carter 570 Metallo-Organic Complexes i n Organic Analysis . . Frederick R. Duke 572
R. H. MÜLLER B. L. OSER H . H. WILLARD
Colorimetric Determination of Molybdenum in Iron and Steel . . . Mitchell Kapron and Paul L. Hehman 573 Anhydrous Sodium Carbonate as a Standard of Reference in Acidimetry . . . Walter R. Carmody 577 Laboratory Distillation at Atmospheric Pressure of Normally Liquid Hydrocarbons H. J. Hepp and D. E. Smith 579 Cell for Determination of Dielectric Properties of Liquids L. I. Berberich 582 New Cutting-Wire Plastometer Luther L. Lyon and Robert D. Void 585 Backward-Feed Distillation Column W. M. Langdon 590 Constant-Volume Pump for Circulating Gases . . I. E. Puddington 592 MICROCHEMISTRY Microscope Goniometry J. D. H. Donnay and W. A. O'Brien 593 NOTES ON ANALYTICAL PROCEDURES Oxygen-Absorbing Solution for Scholander Quick Gas Analyzer Charles D. Stevens, Paul VanFossen, JaneK.Friedlander, Betty Jane Rattermann, and Masahiro Inatome Determination of Copper i n Copper Naphthenate ' A. A. McLeod Lundegârdh Air-Acetylene Burner Mary A. Griggs Addition of Solids to Reaction Mixtures Elijah Swift, Jr., and John H. Billman All-Glass Stirrer Robert P. Yeck Electrically Operated Buret . Frederick C. Nachod Titration of Boric Acid i n Presence of Mannitol . Max Hollander and William Rieman III Recommended Practice for Microscopical Reports on Crystalline Materials, in A.C.S. Publications . C. W. Mason, Chairman NBS Spectrographs Steel Standards
598 599 599 600 601 602 602 603 604
The American Chemical Society assumes no responsibility for the statements and opinions advanced by contributors to its publications. 31;9O0 copies of this issue printed. Copyright 1945 by American Chemical Society.
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