Manufacturers' Literature With the new
PIPETMAN You're all set...
HPLC Detectors. Wall chart lists the significant features of many continuous ly variable wavelength absorption moni tors for HPLC. Schoeffel Instrument Corp. 437 Electrodes for pH Meters. Wall chart pictures and describes all types of glass, combination, and reference elec trodes. Sargent Welch Scientific Co. 438
. . . DIGITALLY Set ANY VOLUME (even odd volumes like 11.5 Ml, 113.6 Ml or 2,254 μ I) with m crometer precision and pipette with consistent accuracy — better than 0.2 to 1.0% of full range. Four digital mi croliter pipettes, continuously ad justable over their entire range, permit optimal accuracy and reproducibility in critical pipetting. Each model can replace 30 or more fixed range units. Comfort-con toured body of high impact plas tic has low ther mal coefficient insuring excel lent repeatabil ity even with long-term, hand-held operation.
Thin-Film Measurement. Describes the development of an inexpensive interfer ometer technique for the measurement of thin films and analyzing surfaces. 2 pp. Hacker Instruments Inc. 434
Electronic Balances. Describes seven new electronic and mechanical bal ances especially designed for school use. 16 pp. August Sauter of America, Inc. 439
Now Available from Stock
Built-in Tip Ejector (Models P-20, 200, 1000) permits safe, non-contact disposal.
Model No.
Ranges
Price
P-20D P-200D P-1000D P-5000D
0 - 20 μΙ 20 - 200 μΙ 200 - 1000 μΙ . 5 0 0 - 5 0 0 0 μΙ
$ 99.50 99.50 99.50 125.00
All models supplied with 10 disposable tips.
RAININ INSTRUMNETS CO INC 94 Lincoln Street · Brighton, MA 02135 (617) 787-5050 · TELEX 94-0687
Laboratory Supplies. Contains over 6000 science supply necessities includ ing pH meters and electrodes, UV spec trophotometer cells, labware, and lab safety equipment. 228 pp. Markson Science Inc. 446 Research Equipment for Life Sci ences. Describes company's full line including biological shakers, controlled environment shakers and incubators, fermenters, process control instrumen tation, freeze dryers, sterilizers, and other accessory equipment and instru mentation. 196 pp. New Brunswick S c i entific Co., Inc. 448 Reagent Chemicals. Describes the Tar get line of reagents including acids, in organics, and specialties that meet stringent quality standards. 24 pp. Ash land Chemical Co. 450
Analysis of Catalysts. Reports on the analysis of five catalysts using a new energy-dispersive x-ray fluorescence technique. 6 pp. Ortec Inc. 440
Laboratory Supplies. Features modern laboratory apparatus, appliances, glass ware, instruments, chemicals, and supplies for all types of laboratories. 4 3 2 pp. LaPine Scientific Co. 452
Catalogs
Chromatography Adsorbents and Supplies. Reviews various chromato graphic techniques including open col u m n , thin layer, liquid, and affinity and includes applicable adsorbents, their specifications, and prices. 36 pp. ICN Pharmaceuticals, Inc. 453
Precious Metal Chemicals. Lists nearly 200 compounds and coordination c o m pounds made from platinum, palladium, ruthenium, rhodium, iridium, osmium, and gold. 16 pp. Matthey Bishop, Inc.
441 Nuclear Laboratory Equipment. De scribes complete product line including neutron/gamma shielding, pneumatic transfer systems, and activation foils and flux wires. 28 pp. Reactor Experi ments, Inc. 442 Capillary Columns. Contains informa tion on applications, column evaluation, glass capillaries with five different sta tionary phases, column test mixtures, and necessary accessories. 8 pp. Supleco, Inc. 443 Medical Diagnostics Products. Details a wide selection of clinical products in cluding kits for manual analytical and diagnostic kinetic assays, colorimetric kits, RIA kits, and antigen/antibody kits. 36 pp. ICN Pharmaceuticals, Inc. 444 Materials for Research. Includes list ings of nearly all metals, up to 9 9 . 9 9 9 + % pure, in a variety of physi cal forms as well as sections devoted to metallic single crystals, ceramic powders, and equipment for the metal lurgical and materials researcher. 150 pp. Materials Research Corp. 445
CIRCLE 179 ON READER SERVICE CARD
1162 A · ANALYTICAL CHEMISTRY, VOL. 49, NO. 13, NOVEMBER 1977
HPLC Pure Biochemicals. Contains 92 purified biochemicals including nucleo sides, nucleotides, and analogs. ICN Pharmaceuticals, Inc. 447 Vacuum Measurement and Process Control. Features complete line of equipment available for vacuum gaug ing and control. 20 pp. Edwards High Vacuum, Inc. 449 Laboratory Equipment. Contains c o m plete line of items including balances, glassware, incubators, refrigerators, or ganic and inorganic chemicals, ovens, microscopes, laboratory furniture, fume hoods, sinks, instrumentation appara tus, and supplies. 693 pp. Scientific & Industrial Sales 451 AutoAnalyzer Supplies. Lists accesso ries, glassware, and reagents for T e c h nicon AutoAnalyzer systems as well as rebuilt AutoAnalyzer I and II modules. 44 pp. Alpkem Corp. 45* Biochemical Catalog. Lists over 200 biochemical and related compounds plus the components and instrument systems developed by the company. 32 pp. Chemical Data Systems 45£
