Computer Chemical Systems

TWX 910-240-4109. CIRCLE 36 ON READER SERVICE CARD. Introducing the new Model 4460 sample concentrator: • Wide bore capillary capability at no ...
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Now, You Can Analyze Organics t h a t LC and GC Can't Handle THE CCS 5000 SFC/GC BRINGS HIGH RESOLUTION SEPARATION OF DIFFICULT ORGANICS TO YOUR LABORATORY WITH SUPERCRITICAL FLUID CHROMATOGRAPHY. At last, you can separate difficult-toThe CCS 5000 SFC/GC is analyze organics that are impossible to microprocessor controlled and is so handle with conventional GC, HPLC or user friendly that if you can operate a concentrator-enhanced GC. The new standard GC, we guarantee that you CCS 5000 SFC/GC uses advanced will be able to operate the CCS 5000 supercritical fluid instrumentation in 5 minutes. technology to give you a new For more information on the CCS dimension in analytical power. The 5000 SFC/GC and a brochure, write or CCS 5000 will provide you with the high call our marketing department. resolution separation of: Thermally Labile Compounds • Non-volatile Analytes • Molecules without a COMPUTER CHEMICAL SYSTEMS Chromaphore • Hard-to-derivatize Compounds

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Computer Chemical Systems Rt. 41 & Newark Rd. P.O. Box 683 Avondale, PA 19311 Phone (215) 268-2051 TWX 910-240-4109

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PRODUCTS

pies at one time with recoveries of 85100% and 2-3% coefficients of variation while reducing solvent use up to 95%. Samples are processed through dispos­ able cassettes prepacked with a variety of selective sorbents. Applied Separa­ tions 444 XRF. Fluoroderm XRF-300 features a large-capacity measuring chamber that automates calibrations, sample mea­ surements, collimators, and filters. Also included are a fully programma­ ble, motorized X-Y-Z stage, and duallayer measurement capability. Color graphics, measurement data, text, and the sample are displayed on a high-res­ olution monitor. UPA Technology 445 Pyrolysis GC. Curie Point Pyrolyser, intended for use with gas chromatographs and mass spectrometers, fea­ tures reproducible pyrolysis tempera­ ture, shock heat-up within millisec­ onds, and a wide temperature range by means of a large assortment of ferro­ magnetic filaments or tubes. The sys­ tem, which can be easily attached to any gas chromatograph, enables non­ volatile substances to be determined using gas chromatography. Fischer America 446

CIRCLE 36 ON READER SERVICE CARD

PURGE AND TRAP

Fluorometer. Greg-200 multifrequency cross-correlation phase and modulation fluorometer uses simulta­ neous determination of differential phase and modulation ratio to monitor

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Introducing the new Model 4460 sample concentrator: • Wide bore capillary capability at no extra cost. • Full compliance with EPA protocols for standard methods. • Microprocessor for easy, automated operation. Fully programmable. • Times and temperatures for standard methods (including EPA 502.1/601 and 524.1) are default programmed. • Autosampler optional. Up to 76 vials, auto rinse. Write or call for details. Phone (409) 690-1711. P. O. Box 2980, College Station, TX 77841.

O . I . CORPORATION VISIT US AT PITTCON — BOOTHS 306, 308, 310. CIRCLE 149 ON READER SERVICE CARD

288 A · ANALYTICAL CHEMISTRY, VOL. 59, NO. 3, FEBRUARY 1, 1987

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Model 5100 thermal trap conditioner is designed for conditioning sorbent traps used in ambient air, indoor air, and VOST analysis. Up to 12 traps can be condi­ tioned simultaneously, and flow rates and temperatures can be monitored for each furnace. Tekmar 411



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