1 Economical Source Short Courses
...for all your solid sampling needs.
ACS Courses. For more information, contact: Department of Educational Activities, American Chemical Society, 1155 16th St., N.W., Washington, D.C. 20036. 202-872-4508 Intermediate Chromatographic Systems Newark, N.J. J a n . 21-22. John Q. Walker, Minor T. Jackson, and M.P.T. Bradley. $165, ACS members; $195, nonmembers Gas Chromatography: Theory and Practice Blacksburg, Va. Feb. 21-25. Harold M. McNair, James M. Miller, and William Baitinger. $385, ACS members; $425, nonmembers Modern T e c h n i q u e s in Gas Chromatography Cleveland, Ohio. Feb. 26-27. Harold M. McNair and Stuart Cram. Given in conjunction with the Pittsburgh Conference. $175, ACS members; $205, nonmembers Solving Problems w i t h Modern Liquid Chromatography Cleveland, Ohio. Feb. 26-27. J. J. Kirkland and Lloyd R. Snyder. Given in conjunction with the Pittsburgh Conference. $185, ACS members; $215, nonmembers
Check Barnes first when you're looking for solid sampling accessories. Our broad product line includes the new micro KBr die, hydraulic and econo presses, pyrolyzers, and our unique magnetic film holder. They're available off the shelf . . . at industry's most attractive prices. Barnes precision accessories are compatible with all types of spectrophotometers, including Beckman, Perkin-Elmer and Varian. For your solid sampling needs, check pages 20 through 25 in our new 40-page catalog, "Barnes Infrared Analytical Accessories." Write or phone for your copy. Barnes Engineering Company, 30 Commerce Road, Stamford, Connecticut 06904. Call toll free (800) 243-3498, Ext. 281 or in Connecticut (203) 348-5381 Ext. 281.
BARNES
Your IR Spectroscopy Source. CIRCLE 25 O N READER SERVICE CARD
VV Disposable Cuvettes Fit any standard spectrophotometer holder
Automated Instrumentation for t h e Analytical Laboratory Cleveland, Ohio. Feb. 26-27. Hans Veening and Carl Burtis. Given in conjunction with the Pittsburgh Conference. $175, ACS members; $205, nonmembers Carbon-13 N M R Spectroscopy New Orleans, La. Mar. 18-20. George C. Levy and Gordon L. Nelson. Given in conjunction with t h e ACS National Meeting. $205, ACS members; $240, nonmembers Laboratory Safety: Recognition and M a n a g e m e n t of Hazards New Orleans, La. Mar. 18-20. Norman V. Steere and Maurice Golden. Given in conjunction with the ACS National Meeting. $205, ACS members; $240, nonmembers Effective Writing for Scientists and Engineers New Orleans, La. Mar. 18-20. Henrietta J. Tichy and Sylvia Fourdrinier. Given in conjunction with t h e ACS National Meeting. $205, ACS members; $240, nonmembers
• Excellent optical properties • Light path 1 c m . • For wavelength at and above 320 nm • Capacity 3.5 ml to 4 ml (Catalog No. C-1 ) • Capacity 1 ml (Catalog No. C-2) • NEW LOW PRICE $59.00/1,000 F.O.B. Woburn.
T h e y ' r e good - Send for s a m p l e s , you'll see! (also ask for details of our FINNPIPETTE Variable Volume micropipetting system)
VARIABLE VOLUMETRICS, INC. 1 7 C u m m i n g s Park, W o b u r n , Massachusetts01801 (617 )933-8170 CIRCLE 225 O N READER SERVICE CARD ANALYTICAL CHEMISTRY, VOL. 4 9 , NO. 1, JANUARY
1977 · 53 A
