NEW
PRODUCTS LC. Guide provides technical information and schematic drawings that describe the proper use of fittings in HPLC systems. Filters, tubing, unions, and ferrules are discussed. 59 pp. Upchurch Scientific 420 Newsletter. Scan Time, No. 12, features articles on measurement of scattering samples by IR microscopy and FT-IR sampling in the food and dairy industries. Information on meetings of interest to FT-IR users is also provided. 8 pp. Spectra-Tech 422
Aquastar C-2000 coulometric titrator automatically calculates the mean, standard deviation, and coefficient of variation of up to 20 repetitive samples. Features include a built-in balance/computer interface for rapid transfer of data. EM Science 402
Workstation. Brochure highlights the WINaei workstation/integrator, which features multitasking chromatography software; 20-Mb storage of raw data, reports, files, and programs; and highresolution graphics. 6 pp. SpectraPhysics 421
SFC. Brochure describes Model 602 SFC and 622 SFC/GC, which feature a pulseless, high-capacity pump; compact, high-temperature oven; and microprocessor controller. Both instruments are directly compatible with capillary and packed-column SFC. Lee Scientific 423
Catalogs Filtration. Catalog contains filtration products for air analysis, biotechnology, HPLC, microbiology, TLC, and general applications. Chemical compatibility information and a guide to
selecting filter media are included. 194 pp. Gelman Sciences 425 Chemicals. Catalog includes organic and inorganic chemicals, stable isotope-labeled compounds, stains, dyes, solvents, organometallic reagents, polymers, catalysts, atomic absorption standards, and adsorption media. 2212 pp. Aldrich 426 Air sampling. Catalog describes products for air sampling, worker monitoring, chemical hazard detection, and industrial hygiene. Included are sorbent tubes, sample bags, calibrators, filters, impingers, and gas-monitoring badges. 84 pp. SKC 427 Electrophoresis. Catalog features chemicals, kits, and supplies for electrophoresis. Also included are transfer membranes and gel polymerization accessories. 12 pp. Haake Buchler Instruments 428 Plasticware. Catalog contains beakers, bottles, connectors, funnels, pipets, racks, stirring bars, and supports. A chemical resistance guide and information about cleaning and sterilization are also included. 32 pp. West 429
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