Manufacturers' Literature
Catalogs An 84-p catalog describes the entire line of laboratory products including glass and plastic products, water stills, and stirring equipment. Wheaton Scientific 441 Equipment and systems for chromatog raphy, electrophoresis, and membrane filtration are featured in a 144-p cata log. Current prices are included. BioRad Laboratories 442 A 24-p minicomputer accessory cata log incorporates many new products in cluding I/O cables and connectors for DEC, DATA GENERAL, and HP comput ers, disk cartridges, and magnetic tapes. Minicomputer Accessories 443 Spectrophotometers, accessories, and systems are described in a new 12-p catalog. Brief descriptions and photo graphs of spectrophotometers ranging from the Stasar series to the computerdirected System 3500 are included. Gil ford Instrument Laboratories, Inc. 444
" V i e w p o i n t s " features a small portion of the entire line of environmental products. Published bimonthly, it deals with pollution control instrumentation and supplies. Horizon Ecology Co. 445 The 1 9 7 6 - 7 7 accessories and supplies catalog, 32 p, includes custom stan dards, IR accessories, UV cells, hollow cathode devices, and pH meters and electrodes. F&J Scientific 446 A 160-p catalog includes biochemicals, chromatography products, and labora tory supplies. ICN Life Sciences Group 447 Instruments for light measurement re search are featured in a 35-p catalog w h i c h includes high-voltage power supplies, photomultiplier tube housings, and photon counting and current mea suring instrumentation. Pacific Photo metric Instruments 448
For m o r e i n f o r m a t i o n on listed i t e m s , c i r c l e the appropriate n u m b e r s on one of our Readers' Service Cards
A 4-p catalog provides extensive de tails on industrial thermocouples and replacement elements. Types of ther mocouples available include base metal with metal, ceramic, or silicon carbide protection tubes, and platinum with ceramic and double ceramic pro tection tubes. Gulton Industries, Inc. 449 "Products for S c i e n c e " , 32 p, offers a wide variety of laboratory instruments, equipment, and supplies. The booklet features t w o new Digi-Sense digital pH meters. Cole-Parmer Instrument Co.
450 A 48-p catalog offers an expanded line of high and ultrahigh vacuum equip ment including valves, fittings, pumps, systems, and accessories. Thermionics Laboratory, Inc. 451 The 1976 chemical catalog, 368 p, lists the entire line of chemicals available including organics, inorganics, in vitro diagnostic products, solvents for spec troscopy, chromatography chemicals, and indicators. MC/B Manufacturing Chemists 452
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ANALYTICAL CHEMISTRY, VOL. 48, NO. 9, AUGUST 1976 · 775 A
