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ACS AUDIO COURSES
keep up with successful chemists
The best way to keep pace with chemistry's rapid progress is to learn from the chemists who help make it happen. More than 25 ACS Audio Courses are now available —all prepared and recorded by leading chemists teaching their own specialties. All courses include audiotape cassettes and comprehensive manuals with information, diagrams and other visual material, many with exercises so you can combine the ease of listening with the challenge of doing as you learn. The courses cover all levels and interests, introductory and refresher topics, specialized subjects and techniques, non-technical courses to aid your personal development. Best of all, all ACS Audio Courses are offered on a guarantee basis . . . so you can't lose.
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Send coupon below for more information. Department of Educational Activities American C h e m i c a l Society 1 1 5 5 Sixteenth Street, N.W. Washington, D. C. 2 0 0 3 6 Please send information on ACS Audio Courses
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A. New, Totally-Programmable Automated Liquid Chromatographs Complete brochure describes these new systems based on the concept of "distributed intelligence." Circle Reader Service No. 13 B. "CHROMATOGRAM" keeps you up to the minute on all phases of the science Published regularly, the ALTEX "CHROMATOGRAM" gives details of the latest applications and provides useful tips on how to obtain the optimum results from your equipment. Circle Reader Service No. 14 C. Complete High Performance Liquid Chromatography Catalog 32 pages describing the latest modular pumping systems, detectors, valves and accessories for all types of liquid chromatography.
Circle Reader Service No. 15 D. Innovation in Column Technology Brochure gives details of the latest pre-packed columns for reversephase, ion pair, adsorption, ionexchange and size exclusion chromatography. Circle Reader Service No. 16
Name
ALTEX
State
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ALTEX SCIENTIFIC INC. 1 780 Fourth St. Berkeley, California 94710 (415) 527-5900 Telex: 33-5403
ANALYTICAL CHEMISTRY, VOL. 50, NO. 12, OCTOBER
1978 ·
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