NEW
PRODUCTS
HPLC applications. Food and Bever age Notes contains articles on the de termination of amino acids in animal blood and tissue, pet food, and animal feeds and on determination of carba mates in foods. 12 pp. Waters Chroma tography Division of Millipore 422 Homogenizers. Brochure highlights Models P T 3000 and P T 6000 homoge nizers for biomedical and industrial ap plications. The instruments provide particle sizes down to 1 μπι in sample volumes ranging from 0.3 mL to 30 L. Brinkman 430 Electrochemistry. Guide describes electrochemical instruments and sys tems for LC detection, voltammetric analysis, corrosion measurements, and electrochemical research. EG&G Princeton Applied Research 431 Chlorine. Bulletin discusses total re sidual chlorine analyzers for field, lab oratory, and on-line measurement of residual chlorine in water. Specifica tions, principles of operation, and ap plications are presented. Ionics 432 LC. Brochure discusses PRP-X300 ion exclusion LC columns for organic acid
and alcohol separations. Chromatograms illustrating a variety of applica tions are included. Hamilton Co. 433
equipment and supplies for autoradi ography are included. 52 pp. Sigma Chemical Co. 426
Catalogs
LC. Catalog features packed and emp ty columns, tubing, frits, fittings, ac cessories, and tools. Chromatograms for a variety of applications are in cluded. 136 pp. Anspec 429
Spectrometry. Catalog features airpath, vacuum, ultra-high-vacuum, and grazing incidence spectrometers. Also included are stepping motor scan drives, light sources, and detectors. 32 pp. Acton Research Corp. 425 Electrodes. Catalog features pH, met al, ion-selective, reference, and carbon electrodes. Conductivity measuring cells and resistance thermometers are also listed. 48 pp. Metrohm 427 Safety. Catalog includes products for personal protection; liquid storage; spill protection; lab organization; and radioactive handling, storage, and de contamination. 30 pp. Whatman LabSales 428 Radiochemicals. Catalog includes carbon-14 labeled amino acids, carbo hydrates, methylated proteins, and dicarboxylic acids. Photographic
Spectra 200 is a variable-wavelength UV-vis detector that can be pro grammed for timed wavelength changes, spectral scanning, and gradient baseline correction. Spectra-Physics 402
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