Controlled Temperature Equipment. Provides information on the complete line of Benco/Grant equipment including baths, dry blocks, and circulators. Bench Scale Equipment Co. 438 Disposable Phase Separator. Describes the 1PS disposable phase separator intended for use in place of separatory funnels. The 1PS consists of a cellulose matrix impregnated with a special stable silicone. 3 pp. Whatman Iric. 441 Flow Meters. Details the performance and special features of the six sizes available in the compact flow meters and the shielded compact flow meters. 4 pp. Roger Gilmont Instruments, Inc. 442
Catalogs Sampling Cylinders. Includes technical data on sampling cylinders ranging from 10-ml to 4-gal capacities. Additional information provided on cylinder valves, safety relief devices, and isotope containers. 12 pp. Hoke Inc. 444 Labeled Compounds. Stable isotope labeled compounds are listed along with prices. Features 13C and 15N labeled chemical intermediates, reagents, and amino acids. KOR Isotopes 445
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General Instrument Catalog. Offers detailed information and specifications on over 8000 laboratory and research related items. 1977-78, 428 pp. ColeParmer Instrument Co. 446 Safety Supplies and Equipment. Contains over 1000 items with prices and complete descriptions. 72 pp. Interex Corp. 447 Instruments for Environmental and Scientific Measurements. Contains information on pH and plon meters; pH, redox, and plon controllers; specific ion electrodes; and special purpose meters for environmental measurements. 20 pp. Chemtrix, Inc. 448 UV Optical Filters. Lists a wide selection of narrow and broadband filters, specific filters for mercury and hydrogen lines, VUV and excimer lasers, and stray light reduction, as well as numerous applications for VUV-UV filters. Acton Research Corp. 453 Balances. Features new line of electronic balances, mechanical analytical balances, and micro electronic and mechanical models. 40 pp. SartoriusWerke GmbH, P.O. Box 19, 3400 Goettingen, Federal Republic of Germany
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Choose from the great family of HP strip chart recorders. Hewlett-Packard, the great name in strip chart recorders, lets you choose from a complete family of high quality models. With proven performance in both laboratory and field, the H P recorder family includes general purpose lab recorders, battery operated portables, models with interchangeable plug-in sig nal conditioners, and recorders specifically designed for OEM users. Select from a wide choice of writing systems; capillary ink, disposable pen, thermal or electric. Operate them anywhere with con fidence because H P recorders are backed by a worldwide sales and service organization. Send for complete technical details on the premium quality line from HewlettPackard, the great family of strip chart recorders. OEM discounts available.
Manufacturers' Literature Radiation Spectroscopy and Analysis Instruments. Covers complete range of detectors and electronic products avail able. 290 pp. Ortec, Inc. 449 Laboratory Aids. Provides physical and performance specifications for micropi pets, micro syringes, repeating pipets, membrane holders, tissue presses, pH meters, colorimeters, and accessories. 8 pp. Edco Scientific, Inc. 450 IR Accessories. Features full Wilks line including sealed liquid cells and NaCI windows and research-grade 120-m variable path gas cells. 32 pp. Sci Tech Corp. 451 Infrared Accessories. Contains a wide range of infrared sampling equipment for use with all infrared spectrophotom eters. Price list included. 40 pp. Wilks Scientific Corp. 452
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Filtration, Separation, and Chromatog raphy Products. Presents standard products available for laboratory filtra tion products, chemical separations products, and liquid chromatography products. Price list included. 84 pp. Whatman Inc. 455 Scintillation Counting Reagents. Pro vides information on the full line of ScintillAR reagents. 12 pp. Mallinckrodt, Inc. 456 Safety Equipment. Many safety prod ucts are described and illustrated for protecting the entire body from a wide range of hazards. Also includes other useful safety accessories such as signs, signals, instruments, mirrors, safety belts, etc. Products are ref erenced to OSHA requirements which are explained in a special section. 120 pp. General Scientific Equipment Co. 457
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Polycarbonate Membranes. Contains information on a wide selection of these membranes as well as necessary hardware. Lab 20 catalog. 32 pp. Nuclepore Corp. 454
ANALYTICAL CHEMISTRY, VOL. 4 8 , NO. 14, DECEMBER 1976
Laboratory Equipment and Supplies. Lists full line of equipment including cells, heating equipment, electrophore sis equipment, radioassay supplies, and sample tube holders. 15 pp. Manalco Supply Corp. 458 Chemical Catalog. 1977-78 handbook lists 8500 products including organic and biochemicals, deuterated solvents, enzymes, boranes, spectrophotometric solvents, and laboratory equipment. Ad ditional useful information included for most entries. Aldrich Chemical Co., Inc. 459
