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Stack Sampling Training School. Nalco Research Center, Chicago. Nov. 1-5, Dec. 6-10. $425. Contact: Nalco. Chemical Co., 2901 Butterfield Rd.,. Oak Br...
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News Stack Sampling Training School Nalco Research Center, Chicago. Nov. 1-5, Dec. 6-10. $425. Contact: Nalco Chemical Co., 2901 Butterfield Rd., Oak Brook, 111. 60521

Announcing B A New Book ' I E On Chromatography TITLE:

A USER'S GUIDE

TO CHROMATOGRAPHY CONTENT:

HOW TO OBTAIN FREE C O P Y :

Guides you through GC, TLC and HPLC Chromatography. Covers principles, methods and applications — plus instrumentation, reagents and accessories. Contains wealth of tables, graphs, illustrations and references. Over 100 pp. Write or phone Regis Chemical Company. 312 967 6000 Ci,nnl„

l i m i t a i

REGIS CHEMICAL CO. · 8210 Austin · Morton Grove. III. 00053 CIRCLE 182 O N READER SERVICE CARD

INTRODUCING...

THE LEAK PROOF GAS/LIQUID SYRINGE exclusively from ( ^ N C O )

• C h e m i c a l l y i n e r t — only b o r o s i l i c a t e glass, T e f l o n * and Kel F are exposed to the gas or liquid. • LEAK FREE seal provided by unique design (Teflon" sheath over double " O " ring) » Plungers and barrels interchangeable within a given size • Available with removable or fixed needles in capa­ cities from 50μ.Ι to 100 ml • Complete line of accessory fittings available for 19925 Series Send today for complete catalog of Glenco syringes, columns, dispensers, and accessories.

GLENCO

GLENCO SCIENTIFIC, INC. 2802 WHITE OAK DRIVE HOUSTON, TEXAS 77007 (713)861-9123

CIRCLE 89 O N READER SERVICE CARD 836 A · ANALYTICAL CHEMISTRY, VOL. 4 8 , NO. 1 1 , SEPTEMBER 1 9 7 6

Mass S p e c t r o m e t r y Philadelphia. Dec. 6-10. $385. Con­ tact: Pauline Sargent, Education Co­ ordinator, Sadtler Research Laborato­ ries, Inc., 3316 Spring Garden St., Philadelphia, Pa. 19104. 215-382-7800 Gas Chromatography Philadelphia. Dec. 13-16. $375. Con­ tact: Pauline Sargent, Education Co­ ordinator, Sadtler Research Laborato­ ries, Inc., 3316 Spring Garden St., Philadelphia, Pa. 19104. 215-382-7800

For Your Information On-line a c c e s s to ongoing r e s e a r c h is provided by a Washington-based nonprofit organization, Smithsonian Science Information Exchange, Inc. T h e Information Exchange offers on­ line access to its research file of prepublication information (received from Federal, state, and local govern­ m e n t agencies and other funding orga­ nizations) on research in progress through System Development Corpo­ ration's SDC Search Service. T h e Ex­ change collects, indexes, stores, and disseminates information about basic and applied research in all fields of the life and physical sciences. About 60% of the projects on file are in t h e life sciences; 40% are in t h e physical sciences. Since t h e Exchange collects information when projects are initiat­ ed, it helps bridge t h e critical informa­ tion gap between t h e time a research project is begun and t h e time its re­ sults are published. For further infor­ mation, contact Smithsonian Science Information Exchange, Inc., Room 300,1730 M St., N.W., Washington, D.C. 20036 (202-381-4211). T h e U.S. D e p a r t m e n t of Commerce is sponsoring Analytical Instruments for S c i e n c e and Industry Exhibi­ tion in t h e United Kingdom to pro­ vide U.S. manufacturers of laboratory and other analytical instruments mar­ keting opportunities in Britain. T h e exhibition will take place in t h e U.S. T r a d e Center, London, England, No­ vember 29-December 3,1976. T o bol­ ster t h e U.S. share of t h e British labo­ ratory instrument market, t h e Depart­ ment is providing full-scale customer identification, show promotion, and agency-finding services. Imports of laboratory instruments from t h e U.S.