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Our most selective and sensitive detector might be able to find skiers under avalanches, but he has a few disadvantages. Detector #1 • Must be licensed • Requires yearly inspections and daily maintenance • Waste must be disposed of in an environmentally-friendly fashion • Sits on command, but requires training • Does not work at high temperatures • Too large for most instruments • Not for sale at any price For most applications, we recommend our second best: the non-radioactive Pulsed Discharge ECD/HID. It's just as user-friendly. Detector #2 (not drawn to scale) • No licensing requirements • No inspections, minimal maintenance • No waste disposal problems • Sits on any GC - no training required • Works at temperatures up to 350°C • Replaces existing ECDs, FIDs, and PIDs • Complete system for $4000 On display at Pittcon '95 Booths 4502-4503 Mode-selectable No lamps or windows Capillary or packed column Sub-picogram sensitivity Valco Instruments Co. Inc. P. O. Box 55603 Houston.TX 77255 Sales toll-free (800) FOR VICI Technical help (713) 688-9345 Fax (713) 688-8106 CIRCLE 12 ON READER SERVICE CARD Valco Europe Untertannberg 7 CH-6214 Schenkon Switzerland Telephone (041)925-6200 Fax (041) 925-6201 Analytical Chemistry, Vol. 67, No. 3, February 1, 1995 101 A VICE VICIAG
