NEW
PRODUCTS
AutoSystem gas chromatograph in cludes a built-in 82-position autosampler. Parameters for two separate automation modes, as well as the sys tem's three speeds of injection and five GC methods, can be programmed through the keyboard. Perkin-Elmer
401 Environmental analysis. Brochure discusses Century OVA portable or ganic vapor analyzers. Applications in clude soil gas monitoring, natural gas
leak detection, arson investigation, and monitoring of leaking underground storage tanks. Foxboro 419
tainers, centrifuge tubes, reference so lutions, pipets, and syringe dispensers. 33 pp. Oxford Labware 430
Spectrometer. Brochure highlights the JY 50E spark emission spectrome ter, which is capable of determining up to 47 elements in < 1 min. Principles of operation, specifications, and applica tions are discussed. Instruments SA 421
Instrumentation. Catalog features analytical instruments for rental, leas ing, and direct purchase. Included are gas, liquid, and ion chromatographs; FT-IR, UV-vis, fluorescence, and AA spectrometers; and data systems. U.S. Analytical Instruments 426
MS. Brochure describes applications of inorganic MS in the analysis of semi conductor materials and processes. In cluded is information on gas analysis by APIMS and depth profiling and im aging with magnetic-sector SIMS. VG Instruments 423
FT-IR. Catalog features sampling ac cessories and supplies for FT-IR spec troscopy. Products for liquid, solid, gas, and high-temperature sampling are included. 46 pp. Spectra-Tech 427
Catalogs LC. Catalog features HPLC columns and packings, including chiral, afunc tional, and base-deactivated phases as well as microbore and SFC columns. ES Industries 425 Clinical analysis. Catalog includes glucose tolerance test beverages, cups for automatic analyzers, specimen con
LABORATORY
Chemicals. Catalog lists more than 10 000 organic, inorganic, and biochemicals. Structural formulas and lit erature references describing new ap plications are provided. 1480 pp. Fluka Chemical 428 Autosamplers. Catalog features chro matography autosampler vials and ac cessories, including glass and plastic vi als; crimp, plug, and screw cap closures; and seals, sleeves, and springs. 36 pp. Chromacol 429
SERVICE CENTER
PARTICLE SIZE STANDARDS NB5 traceable calibration standards and controls. Large assortment of diameters from 0.02 to 2000 μνη. Micro spheres of polystyrene, glass and fluorescent materials. Free catalog available. Toll Free 800-334-3883. In Calif. 41S-962-1100. FAX 415-962-0718 Duke Scientific Corporation
ECS • • • •
1135D SAN ANTONIO ROAD PALO ALTO, CALIF. 94303
707 fax 707
CUSTOM MADE ELECTRODES pH GLASS in tubing, rods or discs ION SELECTIVE ELECTRODES GAS SENSING ELECTRODES C02 NH
98Λ·ό493 459*4420
3
• SHORT RUNS TO YOUR SPECIFICATIONS Electrochemical Specialties 140 Branscomb Road Box 150 Laytonvjlle, CA
FREE DATA, FAST To quickly amass data on all of the products you need, consult the Lab Data Service section on our Analytical Chemistry reader reply card insert.
95454
Laboratory Service Center (Equipment, Materials, Services, Instruments for Leasing), Maximum space — 4 inches per advertisement. Column width, 2-3/16"; two column width, 4-9/16". Artwork accepted. No combi nation of directory rates with ROP advertising. Rates based on number of inches used within 12 months from first date of first insertion. Per inch: 1" — $165; 12" — $160; 24" — $155; 36" — $150; 48" — $145.
HELP WANTED ADS ROP display at ROP rates. Rate based on number of insertions within contract year. Cannot be combined for frequency. Unit 1" (25 mm)
1-T1 $190
6-TI $170
12-TI $160
24-TI $150
48-TI $140
72-TI $130
CALL OR WRITE JANE GATENBY
ANALYTICAL CHEMISTRY 500 Post Road East P.O. Box 231 Westport, CT 06880
203-226-7131 FAX: 203-454-9939
CALL OR WRITE JANE GATENBY
ANALYTICAL CHEMISTRY 500 Post Road East P.O. Box 231 Westport, CT 06880 203-226-7131 /FAX: 203-454-9939 924 A · ANALYTICAL CHEMISTRY, VOL. 62, NO. 17, SEPTEMBER 1, 1990
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