Manufacturers' Literature Liquid Dispensers. Lists pipets, diluters, and dispensers. Pipets include a continuously adjustable digital micropipet and a repetitive pipet. 26 pp. Rainin Instrument Co. 463 GC Special Products Catalog. Includes the Series-Sx valve interface for automatic control of GC valves with an inhouse computer or microprocessor data handling system, GC valves, detectors, recorders and integrators, tubing and fittings, and other accessory items. Ordering information is included. 38 pp. Carle Instruments, Inc. 465
The next generation of continuous f l o w analyzers is here. Brada FIA The Breda on-line automatic Flow Injection Analyzer (FIA) offers a number of important advantages over the traditional air segmented analyzer. These include · higher sample throughput · no sample carryover · no air bubbles to introduce and remove · simpler, less costly instrumentation. Key applications are in the areas of • food and beverage control • water management • industrial chemistry • agriculture • public health and • industrial process control Send for details.
BREDA INSTRUMENTS
Chromatography and MS Products Catalog. Includes columns and fittings for LC and GC, GC test mixes, GC/MS interface, flow controllers and pressure regulators, carrier gas purifiers, hardware such as valves and ferrules, and more. 53 pp. Scientific Glass Engineering, Inc. 467 1 9 8 1 - 8 2 General Chemical Catalog. The catalog is divided into two sections. The first section features organo-fluorine and organo-silicon compounds, derivatizing reagents, MS standards, crown ethers, terpenes, NMR standards, surfactants, and other c o m pounds of synthetic utility. The second section features "last c a l l " items. 96 pp. PCR Research Chemicals, Inc. 468 Radioassay Products. Lists liquid scintillation counting media, solvents, chemicals, and vials; radioassay kits, reagents, tubes, tube racks and other accessories; internal calibration standards; separation and exchange c o l umns; and fraction collectors. 40 pp. Isolab 469 Lab Safety Catalog. Lists safety labwear and equipment. 76 pp. Interex Corp. 470 Teflon Gaskets. Includes gaskets for glass pipe; envelope gaskets; gasket tape; sanitary gaskets; V-ring packing; O-rings; Teflon rods, tubes, sheets, and slabs. 8 pp. Chicago Gasket Co. 471 Data Acquisition and Measurement Instrumentation Catalog. Offers digital multimeters, thermometers, calibrators, dataloggers, printers, panel mount instrumentation, counter timers, comparators, load controllers, and an automatic test system. 6 pp. United Systems Corp. 472
Serving the analytical chemist since 1960 One Sutter Street, San Francisco, CA 94104, USA (415) 788-4120 Telex 278 227 (UNICO) Konijnenberg 40, 4800 D H Breda, Netherlands (76) 877750, Telex 54 197 (Cenco NL)
Instrumentation Books. Lists and describes 13 books on chromatography, NMR, and atomic absorption. Ordering instructions are included. 4 pp. Varian 474
CIRCLE 23 ON READER SERVICE CARD
1450 A · ANALYTICAL CHEMISTRY, VOL. 52, NO. 13, NOVEMBER 1980
Air Quality Monitoring. Includes instrumentation and equipment for lab and field air-quality monitoring. Includes precision reference and calibration standards for NO x , 0 3 , and S 0 2 , X-ray elemental analyzer, accelerating rate calorimeter, and microprocessor-controlled integrators for MS and GC/MS. 6 pp. Columbia Scientific Industries Corp. 473 GC Catalog. Lists columns, packings, syringes, valves, fittings, evaporators, and gas purifiers. 16 pp. L. C. Co., Inc. 475 Portable Meters and Probes. Includes digital colorimeters, pH meters and recorders, memory timers, viscotesters, tachometers, multimeters, and other electronic measurement instruments. 8 pp. Extech International Corp. 476 TLC Plates and Supplies. Includes precoated plates, tanks, plate holders, spotting pipet, labeling template, spray, streaker, and other items. 8 pp. Kontes 477 LC Catalog. Lists inert fittings, tubing, glass columns, injection valves, and pumps for low pressure liquid LC. 12 pp. Laboratory Data Control 478 Deuterated Solvents and Stable Isotopes. Compounds include deuterated organics and inorganics, carbon 13, nitrogen 15, and oxygen 16, 17, and 18 labeled compounds. 8 pp. Alfa Products
479 General Products. Includes rotary vacuum evaporator, pH meters, ultrasonic cleaners, portable pressure vessels, ammeter, timer, thermometer, and other items. 8 pp. Pope Scientific, Inc. 480 Pumps. Lists pumps; hardware such as valves, fittings, gaskets; gauges and controls; leakdetectors; and accessories. 142 pp. Varian 481 Glass Electrodes. Details pH concentration and temperature ranges, nominal membrane resistances, dimensions, and application notes. 4 pp. Orion 482 Spectrometers. Includes systems for automated X-ray energy analysis of light elements and nuclear fuels. Also includes X-ray tubes, power supplies, Si detectors, and an automated sample changer. 11 pp. Kevex 484 For more information on listed items, c i r c l e the appropriate n u m b e r s on one of our Readers' Service Cards
