Asbestos Identification. March 1822 and June 10-14, Northport, Long Island, NY • Advanced Asbestos Analysis by Polarized Light Microscopy. April 29-May 1, Northport, Long Island, NY For information on the following courses to be held in New Brunswick, ΝJ, contact Office of Continuing Pro fessional Education, Cook College, Rutgers University, P.O. Box 231, New Brunswick, NJ 08903 • Membranes and Ultrafiltration for Biotechnology. Feb. 6-7 • Capillary Zone Electrophoresis. Feb. 15 • Recombinant DNA Techniques. March 18-21 and June 3-6 • Introduction to Laboratory Techniques: Biochemical Separa tions. June 12-13 • Biochemical Separations: A Hands-On Laboratory Course in Protein Purification. June 18-20
Suite 1101, Chapel Hill, NC 27514 (919-962-2101) • 11th Annual Occupational Safety and Health Winter Institute. Feb. 25-March 1. Clearwater Beach, FL • Asbestos Air Monitoring. March 26-28. Chapel Hill, NC For information on the following courses to be offered in conjunction with the Pittsburgh Conference in Chicago, IL, contact PACS, 409 Meade Dr., Coraopolis, PA 15108 (800-3672587) • Basics of MS. March 3 • MS and Spectral Interpretation. March 3-5 • Drugs of Abuse. March 4 • Time Management. March 5 • 2D NMR Principles and Applica tions. March 5-6 • Near-IR Principles and Applica tions. March 5-6 • Programming with BASIC. March 5-7 • EPA Toxicology. March 6 • GC. March 6-7 • Supercritical Fluid Chromatog raphy and Extraction. March 6-7
For information on the following courses, contact OSHERC, University of North Carolina, 109 Conner Dr.,
• Ion Chromatography Principles and Implementation. March 6-7 • Quality Assurance of Chemical Measurements. March 6-7 • Quality Assurance of Environ mental Measurements. March 6-7 • Chemometrics. March 6-7 • Statistical Process Control. March 6-7 • Capillary Zone Electrophoresis and HPLC. March 6-8 • OSHA Rules for the Lab. March 7 • Environmental Sample Prepara tion. March 7 • IR Spectrometry and Spectral Interpretation. March 7-9 • Atomic Spectroscopy: A A / I C P / DCP. March 8-9 For information on the following courses, contact Institute for Profes sional Education, 2300 Clarendon Blvd., Suite 403, Arlington, VA 22201 (703-527-8700) • Applied Multivariate Methods Using Popular Statistical Comput ing Packages. March 6-8 and June 12-14, Washington, DC; May 8-10, San Francisco, CA • Analysis of Messy Data. March 1 1 -
FREE CATALOG OF RESEARCH CHEMICALS AND ACCESSORIES The 1990-91 Johnson Matthey Alfa Catalog gives you 1200 pages of products you need for research and development applications. Includes: ceramics, inorganic and organic chemicals, pure elements, alloys, analytical standards, catalysts, equipment and accessories, labora tory glassware, platinum labware, precious metals — and more. Put Alfa's 26 years of experience serving the research and develop ment community to work for you. Request your free copy of our 1990-91 catalog today. Call 800-343-0660. Or complete and mail the coupon below.
Our new OMNI 90 Analog Potentiostat. You won't learn to love it.
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You'll love it at first sight and so will your students and research associates. You see, we've made the OMNI 90 easy to set up and friendly to use while offering you 1 nanoamp sensitivity and the abi I ity to perform the most popular techniques in an easily portable, line or battery-powered package.
Or complete and mail this coupon to Johnson Matthey/Alfa P.O. Box 8247, Ward Hill, MA 01835-0747 Name Title MailStop
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In fact, we think you'll find the OMNI 90 the very finest potentiostat anywhere for teaching and routine analysis — at a price you'll also love at first sight.
The new unit of measure in Electrochemistry. 5202
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ANALYTICAL CHEMISTRY, VOL. 63, NO. 2, JANUARY 15, 1991 · 71 A