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Manufacturers' Literature Balance. Brochure describes features of the MB200 electronic moisture balance designed for the automatic determination of dry weight or moisture content of foods, grains, chemicals, solutions, adhesives, detergents, paints, plastics, and pharmaceuticals. 4 pp. Ohaus 424
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A&D ENGINEERING IBC ALCONOX 195 ANDERSON LABS 201 CERAC 186 CHEMTRONICS 125 EASTERN CHEMICAL 193 FISCHER AMERICA 151 GILFORD/CIBA CORNING .. 133 GILSON 147 GLAS-COL 105 HELLMA CELLS 173 INSTRUMENTS SA 165 J&L INSTRUMENTS 169 MILLIPORE 29-32, 106 NETZSCH 143 O.I. CORP 111 PARR 91 POLYSCIENCE 42 ST. CHARLES 103 SO. N.E. ULTRAVIOLET 116 TOSOHAAS 92-93 UNIMETRICS 59 WESCAN 64 The LabGuide is your true onestop buying source for scientific products.
668 A · ANALYTICAL CHEMISTRY, VOL. 6
Chromatography newsletter. Retention Times, Vol. 12, No. 1, features information on trace gas analysis, detection of nitrosamines, and monitoring of toxic gases in ambient air. 4 pp. Tracor Instruments 418 Centrifuges. Brochure highlights the CR 312 refrigerated and C 312 nonrefrigerated benchtop centrifuges, which are capable of speeds up to 3600 rpm with a horizontal rotor and 6600 rpm with a fixed-angle rotor. 6 pp. Jouan 419 Saccharin. Application note ECD-15 describes the determination of saccharin in plating baths and soft drinks by LC with electrochemical detection. Instrumental conditions and procedures are discussed. EG&G Princeton Applied Research 420 Newsletter. Bio-Radiations, No. 71, contains information on 2D gel analysis, isoelectric focusing standards, reagents for molecular biology, and purification of crude E. coli extract. 8 pp. Bio-Rad 421 Columns. Brochure highlights Superflu columns for high-speed, low-pres-
sure bioseparations. Graphs illustrate separation speed, pressure flow characteristics, and sample purification. 8 pp. Beckman 422
Catalogs Ceramics. 1989 materials catalog features technical data; photos; process instructions; and pricing for high-temperature ceramics, including machinable ceramics and graphite, ceramic adhesives, putties, organic adhesives, conductive greases, and high-purity materials. Aremco 429 Air sampling. Catalog lists constantflow air sample pumps, sorbent sample tubes, color detector tubes, sample bags, calibrators, impingers, gas-monitoring badges, and accessories. 84 pp. SKC 425 Cleanroom equipment. Catalog includes dessicator cabinets, filters, maintenance supplies, static control accessories, packaging materials, and lab furniture. 80 pp. Advanced Purification Systems 426 Standards. Catalog features PCB, PBB, dioxin, and furan isomers. Also included are pesticide and PAH standards as well as a listing of the standards required for EPA method analysis. 108 pp. Ultra Scientific 427 Laboratory products. Catalog describes disposable pipets, scintillation vials, and culture tubes. Included are milk bacteriological and serological pipets. 8 pp. Fisher Scientific 428
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S-4000 field emission SEM features a resolution of 15 A, built-in digital imaging, an automatic beam blanking system, and a color-imaging accessory that allows colors to be assigned to individual image gray levels. Hitachi 402 NO. 10, MAY 15, 1989
