Galileo detectors for Mass Spectrometry and Electron Microscopy. What silicon chips did for computers, Galileo high-performance detectors are doing for GC/MS, MS and SEM analysis. Whetheryour projects involve environ mental or pharmaceutical analysis, analysis of organic compounds or general spec troscopy applications, a Galileo detector will speed sample identification while pro viding accurate and precise analysis.
When research projects require frequent sample analysis over a long period of time, you'll want the latest and best technology backing you up. Galileo is the innovator in analytical instrument detectors. If you de mand high performance and are con cerned about down time, rapid analysis, dynamic range and cost, insist on Galileo scientific detectors. You'll wonder how you ever got along without us.
Write us and ask how to ensure that your instruments have Galileo scientific detectors. Galileo Electro-Optics Corp. Scientific Detector Products Group P.O. Box 550, Dept. AA Sturbridge, MA 01566 (508) 347-9191
GALILEO Galileo Electro-Optics Corp. CIRCLE 60 ON READER SERVICE CARD
L A B O R A T O R Y SERVICE CENTER Acetylthiourea · 3-Aminophthalhydrazide · p-Anisic Acid · L-Arabinose p-Chloranil · 3,3'-Diaminobenzidine 4HCI · 1,2-Dibenzoylethylene 2,6-Dichloroindophenol, Sodium · 2,2-Dichloropropane · Diethylformamide Diiodomethane · p-Dimethoxybenzene · Dithizone · Furfuryl Methyl Sulfide Furoic Acid & Methyl Ester · m-Hydroxybenzoic Acid · Janus Green Β Levulinic Acid · 2-Methylcyclohexanol · Methyl Green · Neocuproine & HCI Oxamide · Sebacic Acid · Sodium Diethyldithiocarbamate · Suberic Acid L-Thyroxine, Na Salt · Toluidine Blue 0 · Tripalmitin · Vanillic Acid Write for our Products List of over 3,000 chemicals Tel: 516-273-0900 · TOLL FREE: 800-645-5566 Telefax: 516-273-0858 · Telex: 497-4275
EASTERN CHEMICAL A D i v i s i o n of U N I T E D - G U A R D I A N , I N C .
P.O. Box 2500 DEPT. AC SMITHT0WN, N.Y. 11787
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.
NMR ANALYSIS MULTINUCLEAR MULTIFIELD
LIQUID or SOLID STATE
SPECTRAL DATA SERVICES, INC. 818 Pioneer Champaign, IL 61820 (217) 352-7084
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-TI
6-TI
12-TI
$190
$170
$160
24-TI
48-Ti
72-TI
$150
$140
$130
CALL OR WRITE JANE GATENBY
CALL OR WRITE JANE GATENBY
ANALYTICAL CHEMISTRY
ANALYTICAL CHEMISTRY
500 Post Road East P.O. Box 231 Westport, CT 06880
500 Post Road East P.O. Box 231 Westport, CT 06880 203-226-7131/FAX: 203-454-9939 1388 A · ANALYTICAL CHEMISTRY, VOL. 61, NO. 24, DECEMBER 15, 1989
203-226-7131 FAX: 203-454-9939
