Books ASTM Publications The following are available from the American Society for Testing and Materials, 1916 Race St., Philadelphia, Pa. 19103 (USA, Canada, and Mexico add 3% shipping charges. Other countries add 5%) Part 4 1 of 1977 Annual Book of ASTM Standards. 936 pages. 1977. $28
Part 41 contains 120 ASTM standard methods of which 35 are new, revised, or changed in status since the 1976 edition. Contents include ASTM
test methods for conditioning and weathering, density testing, thermal analysis, thermal expansion; apparatus for testing laboratory balances, filtration materials, glassware laboratory apparatus, hydrometers, metalware laboratory apparatus, microchemical apparatus; statistical methods; space simulation and applications of space technology; mechanical testing; particle size measurement; durability of nonmetallic materials; pipeline coatings; hazard potential of chemicals; occupational health and safety aspects of materials; evaluation of testing and/ or inspection agencies; and metric practice.
Part 42 of 1977 Annual Book of ASTM Standards. 544 pages. 1977. $17
Part 42 on emission, molecular and mass spectrometry, chromatography, resinography, and microscopy contains 66 ASTM standard methods. Among the new standards are x-ray emission spectrometric analysis of stainless steel, recommended practices for internal reflectance spectrometry; testing for linearity of fluorescence measuring systems, test for minimum detectable fluorescence of quinine sulfate and cyclohexane, and recommended practice for testing flame ionization detectors used in gas chromatography.
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Analyticals 18 Models Readability to 1 microgram, capacities from 2 mg to 200 grams. Tare, pre-weigh, hydraulic release, high weighing chambers, etc.
Top Loaders 20 Models Digital and „hands-off' Analog models with capacities from 160 g to 20 kg. Readability to 1 mg. Interchangeable pans. Tare. AutoLevelling, etc.
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SAUTER A u g u s t Sauter of America, Inc. 80 Fifth A v e n u e N e w York, N. Y. 10011 Phone (212) 685-6659 Telex 421790
CIRCLE 187 O N READER SERVICE CARD
ANALYTICAL CHEMISTRY, VOL. 49, NO. 14, DECEMBER 1977 • 1251 A
