NEW
PRODUCTS
single-light-source, nondispersive IR detector. 13 pp. Shimadzu 420
netic resonance applications. 32 pp. Aldrich 425
Pharmaceuticals. Application pack age contains 26 notes describing anal yses of different pharmaceutical sam ples by potentiometric methods. Appa ratus, reagents, sample preparation, and typical results are discussed. Radi ometer Analytical 421
Hoods. Catalog includes conventional, air bypass, auxiliary air, and perchloric acid fume hoods, as well as ventilation and filtration systems, emergency showers, and safety equipment. 48 pp. Hemco 428
Environmental analysis. Brochure describes the determination of inor ganics and organics in water, air, haz ardous waste, and biotic materials us ing ion/liquid chromatography sys tems. Waters 422 Weights. Brochure features stainless steel precision weights that meet ASTM Class 1.1, 1, 2, 3, or 4 and NBS Class S, S-l, and Ρ tolerance specifica tions. Hook, slotted, special, and cus tom weights are also described. 7 pp. Troemner 423
Catalogs Liquid scintillation. Catalog features liquid scintillation cocktails, tissue solubilizers, standards, vials, and other accessories for liquid scintillation and gamma-counting applications. 32 pp. Packard Instrument 427 Magnetic resonance. Catalog in cludes labeled and deuterated com pounds, standards, shift reagents, nitroxide spin labels, spin traps, sample tubes, and other accessories for mag
Immunochemicals. Catalog contains more than 900 immunochemicals and related products, including affinityisolated antibodies, enzyme and fluorochrome antibody conjugates, nephelo metric and radioimmunoassay antisera, and immobilized immunochemi cals. 170 pp. Sigma 426 Labware. Catalog features glassware and plastic ware, including Pasteur, disposable, and reusable pipets (serolo gical, volumetric, and measuring); scin tillation vials; and culture, reaction, and oil centrifuge tubes. VWR Scien tific 429 Electrophoresis. Catalog presents in struments, accessories, and chemicals for electrophoresis, including products for purity analysis, screening, quality control, identification and phenotyping, DNA/RNA fragment separation, gene mapping, and DNA sequencing. 88 pp. LKB Instruments 430
Setting the Standard by providing the most extensive collection of high purity compounds for environmental research. 1 Chlorinated Dibenzo-p-dioxins Chlorinated Dibenzofurans • Chlorinated Biphenyls I Brominated Dibenzo-p-dioxins Brominated Dibenzofurans Unlabeled, Radioisotope Labeled, Stable Isotope Labeled
Lamps. Catalog describes more than 3000 different lamp types, including miniature and sealed beam lamps, neon lamps, optical lamps, microscope illuminators, mercury and xenon short arc lamps, and halogen lamps. 60 pp. Lamp Technology 431
TO order your free catalog, call: (913) 541-0525 1-800-233-6643 (U.S.A) ι Wellington I
Gasohol analyzer capillary gas chromatograph determines C^-04 alcohols, methyl fert-butyl ether, fert-amyl methyl ether, methyl ethyl ketone, and benzene in gasoline. Chrompack Packard 402
Laboratories
Chemsyn Science '*. *~7 Laboratories
Chemsyn Science Laboratories 13605 West 96th Terrace Lenexa, Kansas 66215 Wellington Laboratories P.O. Box 1261, 2-291 Woodlawn Rd. W. Guelph, Ontario, Canada Ν1H 6N6 CIRCLE 30 ON READER SERVICE CARD
ANALYTICAL CHEMISTRY, VOL. 59, NO. 23, DECEMBER 1, 1987 · 1373 A
