If you need information about - Analytical Chemistry (ACS Publications)

May 30, 2012 - If you need information about. Anal. Chem. , 1987, 59 (2), pp 103A–103A. DOI: 10.1021/ac00129a742. Publication Date: January 1987...
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equation-editing capability, and the ability to store and retrieve equations or models from disk. CET Research Group 415

NMR. Applications note describes ways in which NMR techniques can simplify and increase the speed of common agricultural research procedures. Examples include determination of unsaturation in edible oils, composition of oil in intact seeds, and an assay of rubber content in guayule. 8 pp. Varian 421

Data management. Parameter Manager, designed for the Apple Macintosh computer, can collect, store, analyze, and report the condition of time-, date-, or sample-based data. Data analysis features include trend plots, strip charts, histograms, statistics tables, correlation tables, and parametric plots. SMS 416

Manufacturers' Literature Elutriation. Brochure describes the process of elutriation, which separates particles according to their rate of sedimentation using centrifugal and counterflow forces. Separation within specially designed rotors is shown using diagrams and photomicrographs. A list of the types of living cells that have been successfully separated using elutriation is also included. Beckman 419 LC detection. Literature features the H P 1040M diode array detection system for HPLC and describes the ways in which the collected data can be manipulated for selectivity and sensitivity in the UV and visible wavelength ranges. Sample chromatograms and spectra are included. 12 pp. HewlettPackard 420 Newsletter. The Wilmad Reporter, Vol. 2, No. 1, discusses the use of sample tubes in NMR, proper selection of sample tubes for automated spectrometers, and the availability of alumina NMR tubes for eliminating interferences from glassware in silicon-29 NMR. 8 pp. Wilmad Glass 422 Electrodes. Handbook describes more than 60 pH and titration electrodes for biomedical and pharmaceutical research, in-plant monitoring, field measurements, educational labs and classrooms, and soil and effluent testing. Sections on theory, selection of the right electrode for the job, electrode care, and troubleshooting are included. 25 pp. Fisher Scientific 423 Cartridge columns. Technical bulletin describes design and performance characteristics of cartridge columns for HPLC. Several separations performed on both cartridge and standard hardware columns illustrate performance equivalence. Information on the care and maintenance of cartridge columns is also included. 16 pp. PerkinElmer 424

SFC. Literature features the SFC System One, which consists of a supercritical fluid pumping system, a capillary gas chromatograph with a flame ionization detector, a sample injection valve, 10-m DB-5 capillary column, and oneday on-site installation and training. Information on the suitability of SFC for different sample types and illustrative chromatograms are also included. 4 pp. Brownlee Labs 425

Catalogs Separation products for immunology. Catalog provides information on products for cell affinity chromatography, DNA synthesis, cell culture, cell separation by centrifugation, analytical and preparative electrophoresis systems, and monoclonal antibody purification. Pharmacia 428 Test instruments. Catalog describes instruments for measuring temperature, humidity, conductivity, dissolved oxygen, pH, viscosity, and refractive index. Also included are data loggers, hand-held computers, and time controllers. 36 pp. Extech 429 Optics. A complete line of crystalline optical components, including windows, ATR and near-IR prisms, microoptics, laser optics, aspheric lenses, and custom optics, is described. Replacements for most FT-IR accessories are also available. 16 pp. Spectral Systems 430 Interfaces. Handbook describes plugin boards for data acquisition, industrial control interfaces for microcomputers, and communications interfaces for the IBM PC, PC-XT, PC-AT, and compatible computers. Application and product configuration guides are also included. 144 pp. MetraByte 431 Molecular separation. Catalog includes membranes and hardware for dialysis, ultrafiltration, and microfiltration; chromatography gels, columns, and accessories; macrofiltration filters; syringes; labware; disposables; and a membrane chemical resistance table. 236 pp. Spectrum Medical Industries 452

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Analytical CHEMISTRY

ANALYTICAL CHEMISTRY, VOL. 59, NO. 2, JANUARY 15, 1987 · 103 A