NEW BOOKS
ACCURATE
MOISTURE ANALYSIS fibers
· grains
· semi-liquids
· solids
Plutonium-239 Determination by Resin Paper Ion-Exchange Separa tion and Liquid Scintillation Count ing. C. Crisco, H. F. Lada, Nuclear Defense Lab., Edgewood Arsenal, Md. Order AD-ββΒ 357. S3 pages. 1967. Computer Program for Interpretation of Spark Source Mass Spectrograph Photoplates. R. J. Conzemîus et al., Iowa State University of Science and Technology, Ames, Iowa. Order IS-1693. 80 pages. 1967. Experimental Study Program to Investigate Limitations in Fourier Spectroscopy. I. Coleman, L. N. Mertz, Block Engineering, Inc., Cambridge, Mass. Order AD-665 890. 70 pages. 1968.
Model 276 uses 1 " or 2 " deep brass sample pans
Far Infrared Spectra of Saturated Aliphatic Esters. J. E. Saunders, University of Dayton, Dayton, Ohio. Order AD-664 583. 46 pages. 1967. This publication presents the spectra of 89 saturated aliphatic (branched and straight chain) esters for the region 350-50 cm -1 . Emprical correlations of band frequencies are classified by the alcohol component.
Control costs and maintain consistent quality through ac curate moisture analysis. Dietert-Detroit Moisture Tellers are widely used in industry for research and analysis of foodstuffs, chemicals, fibers, foundry sands, soaps, tobacco, ceramics and similar materials. C o m p l e t e range of models available.
MODEL 278A-12 is equipped with two 8 " dia. χ 12" deep sample pans, to accom modate bulky samples such as wool.
HARRY W. DIETERT CO. CONTROL
EQUIPMENT
9330 Roselawn Avenue · Detroit, Michigan 48204 Telephone: 933-9790 (Area Code 313) Please send Moisture Teller Catalog and prices. Name_ Company_ Address_ City
_State_
Circle No. 107 on Readers' Service Card 6 4 A · ANALYTICAL CHEMISTRY
Emission Spectrographs Analysis of Purified Calcium Metals. J. H. Stewart, Jr., C. M. Neff, Oak Ridge Y-1S Plant, Oak Ridge, Tenn. Order Y-1590. 16 pages. 1967. The following publications are available from the Superintendent of Documents, U. S. Government Printing Office, Washington, D. C. êOJfiê. Analytical Coordination Chemistry: Titrimetry, Gravimetry, Flame Photometry, Spectrophotometry, and Gas Evolution, July 1966 to June 1967. Oscar Menis, Editor. Order NBS Technical Note 424. 94 pages. 1968. 55 cents. Separation and Purification Section: Summary of Initial Activities February 1 9 6 6 Through June 1 9 6 7 . David H. Freeman, NBS Technical Note 429. 41 pages. 35 cents. 1968. This publication describes the new activities in extreme purification, chemical reagents, and organic chemicals—including the use of crystallization for the achievement, protection, and measurement of chemical purity. Specific studies were conducted in the purification of mineral acids, nitrobenzene, and the development of zone refining methods.
CHICAGO
changed the direction 01 its
river's flow to stem the pollution of Lake Michigan, its water supply. N o w t h e u r b a n s c e n e is threatened with many kinds of p o l l u t i o n . . . and u r b a n a n d rural areas alike are involved in new methods of • clean-up • conservation • re-use of resources. Chemists and Chemical Engineers are important contributors to environmental research and technical developments. Read about practical applications . . . theoretical studies . . . important surveys of scientific — industrial — governmental a c t i v i t y in e n v i r o n m e n t a l control from the chemical point of view . . . Subscribe to the monthly ENVIRONMENTAL SCIENCE & TECHNOLOGY 1 Year: ACS Members All others...
$5.00 $7.00
POSTAL CHARGES: none Domestic $1.00 PUAS & Canada $1.50 Foreign To order send name, title or address (including zip code) to:
position,
Environmental Science and Technology Dept. H AMERICAN CHEMICAL SOCIETY 1155 Sixteenth Street, N.W. Washington, D.C. 20036 Please indicate whether you are an ACS member, and if you are, please use address in which your membership is recorded. You may enclose your check or ask to be billed later. Be sure to add postal costs where applicable.
