MANUFACTURERS' LITERATURE Power Supplies. The 52-page Power Supply Handbook, P965, contains de scriptions of the company's complete line of standard power supplies and modules. The handbook includes an application note section. Trygon Elec tronics Inc., I l l Pleasant Ave., Roose velt, Long Island, Ν. Υ. 607
Thin Metal Specimens. A new pam phlet, File JG-52, describes a simplified method for producing thin metal speci mens (down to 0.002 inch) for electron microscopy by the spark erosion proc ess. Jarrell-Âsh Co., 590 Lincoln St., Waltham, Mass. 611
Level Indicator. The Model B-90 continuous level indicator and/or con troller for application with liquids and granular solids is described in Catalog B-09-365, 4 pages. Instruments Inc., P. O. Box 556, Tulsa, Okla. 608
Research Chemicals. Catalog #3 lists the company's complete line of radio chemicals, C 14 , S3B, P 3 2 , stable isotopes, and nonlabeled compounds. International Chemical & Nuclear Corp., 13332 E. Amar Hd., City of Industry, Calif. 91743. 612
Countercurrent Distribution. Techni cal Bulletin No. 113 is a bibliography covering abstracts of 54 papers dealing with countercurrent theory. The three sections cover calculations, homologues, and solvents. E-C Apparatus Corp., 226 S. 40th St., University City, Phil adelphia, Pa. 19104. 609 Nuclear
Research
Instruments.
A
Short-Form Catalog, 7 pages, covering the company's full range of nuclear re search instrumentation, is available. Hamner Electronics Co., Inc., Box 531, Princeton, N. J. 08540. 610
Mass Spectrometer. Type 21-104 general purpose mass spectrometer is described and illustrated in detail in a 7-page bulletin. Consolidated Electrodynamics, 1500 S. Shamrock Ave., Monrovia, Calif. 91016. 613 Spectrophotometer Accessories. Applications and new accessories, which extend the capabilities of the basic dual-wavelength spectrophotometer, are described in Bulletin 2383-A. American Instrument Co., Inc., 8030 Georgia Ave., Silver Spring, Md., 20910. 614
Technical Manual explains in detail how to use Millipore Filters for microchemical analysis by:
FILTER CORPORATION
154 A
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ANALYTICAL CHEMISTRY
Spectrophotometer. The Cary Model 16, a double beam, double monochromator manual spectrophotometer, is described in 12-page Bulletin 116. Applied Physics Corp., 2724 S. Peck lid., Monrovia, Calif. 617 Florisil Adsorbent. A 20-page booklet gives a bibliography of uses of Florisil chromatographic adsorbent. The physical and chemical properties of Florisil are also listed. Floridin Co., 375 Park Ave., New York, Ν. Υ. 10022. 618
CUSTOM PURIFIED SALTS AND SALT MIXTURES for all types of fused salt chemistry SEND FOR FREE COPY
TO
Millipore 1 1 5 A s h b y R d „ Bedford, Mass. 01730 Circle No. 160 on Readers' Serviice Card
Organic Chemicals. A 16-page supplement to Catalog No. 4 lists and gives structures and prices for 115 research organic compounds. Frinton Laboratories, P.O. Box 301, S. Vineland, N. J. 18360. 616
Ultra-dry Hydroxyl-free
Visible Light Microscopy Electron Microscopy Spot Tests Ring Oven Analysis Infrared Spectroscopy U. V. Spectroscopy Visible Light Colorimetry Flame Photometry Arc Emission Spectroscopy X-Ray Fluorescence X-Ray Diffraction Activation Analysis Gravimetric Analysis Autoradiography 76 pages of illustrated procedures in ADM-70 "Microchemical and Instrumental Analysis" available free of charge from
Thermal Analysis. Bulletin 2397, 8 pages, describes the capabilities and applications of the modular ThermoGrav, an instrument for thermogravimetric analysis, differential thermal analysis, and effluent gas detection. American Instrument Co., Inc., 8030 Georgia Ave., Silver Spring, Md. 20910. 615
ANDERSON PHYSICS LABORATORIES, INC. Box 2 6 8 0 Station A Champaign, Illinois Phone (217) 3 5 6 - 1 3 4 7
MilUpoa, Circle No. 21 on Readers' Service Card
