NEW BOOKS ings are: preparation of labeled com pounds, specific analytical techniques, autoradiography, chromatography, biochemical applications, clinical appli cations, and health physics. Contamination Analysis and Control.
James L. Dwyer. ν + 31β pages. Reinhold Publishing Corp., 430 Park Ave., New York, Ν. Υ. 10022. 1966. $15. This book is concerned with the prac tices of particulate analysis and control in industry. The sources and physical characteristics of contaminants along with recent analytical techniques and process control tools are described. Emphasis is on the practical and applied. The following subjects are included: particles and droplets in gases; properties of aerosols; aerosol sampling; particles in liquids; proper ties of liquid suspensions; liquid sam pling; sampling analysis; contaminants on surfaces; contamination control of airborne particulates; control of con taminants in liquids; and cleaning of surfaces.
Specialist in its field! New "Betaprobe" X-ray Spectrometer delivers speedy and precise analysis of light elements
The Jarrell-Ash Betaprobe is a simple-to-operate instrument for rapid, non-destructive, quantitative analysis of light elements (6 to 53 on the peri odic table) in concentrations of 0 . 0 0 5 to 1 0 0 % Operated by semi-skilled personnel, it can ana lyze six to eight elements, simultaneously or sequentially, in less than one minute Count rates are an order of magnitude greater than w i t h con ventional x-ray tubes.
DIRECT ELECTRON EXCITATION. The secret of the Betaprobe's efficiency lies in its direct elec tron m e t h o d of exciting x-ray spectra, exclusive ma stabilizer and 30-second p u m p d o w n time SEE
THE
BETAPROBE
IN
OPERATION
IN
ROOM
New design feature isolates sample area from main vacuum chamber, eliminating time-con suming system p u m p d o w n . Various readouts include visual digital display, high speed printer and concentration compiler
The Betaprobe is ideally suited for research appli cations as well as routine elemental determina tions. By replacing the fixed-channel spectrom eter w i t h a scanning spectrometer accessory, it becomes a high precision investigative tool
Write for Jarrell-Ash Bulletin No. 13. 1005
AT
THE PITTSBURGH
Research/Analytical Instrumentation · J A R R E L L - A S H C O M P A N Y . 5 9 0 Lincoln Street, W a l t h a m , Massachusetts 0 2 1 5 4 JARRELL-ASH (Europe) S.A., Rue de la Jaluse 6. Le Locle, Switzerland· NIPPON JARRELL-ASH CO . LTD.. Kyoto. Japan
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ANALYTICAL CHEMISTRY
ASTM List of Publications. 34 pages. American Society jor Testing and Materials, 1916 Race St., Philadel phia, Pa. 19103. A single copy requested on company letterhead will be sent free of charge. This booklet contains a list of over 500 ASTM publications dealing with the knowledge of materials, materials evaluation, and the standardization of methods of test and specifications for materials.
CONFERENCE.
Jarrell Ash Circle No. 238 on Readers' Service Card
Textile Laboratory Manual. Vol. 1. Qualitative Methods. W. Garner. 256 pages. American Elsevier Pub lishing Co., Inc., 52 Vanderbilt Ave., New York, Ν. Υ. 10017. 1966. $7.50. This is the first volume of a projec ted six-volume work designed to serve textile laboratories. In general this volume contains a collection of qualita tive procedures while subsequent vol umes will deal with synthetic resins, de tergents, dyestuffs, fibres, and other matters. The test methods presented are divided into eight groups : destruc tive, nondestructive, microchemical, chromatographic methods, elements and element-based reagents, dyestuff staining methods, organic functional groups, and unclassified methods.
1966 Book of ASTM Standards. Part 23. Industrial Water; Atmos pheric Analysis. 900 pages. Amer ican Society for Testing and Materi als, 1916 Race St., Philadelphia, Pa. 19103. $15; to ASTM members, $10,50.
