GRADIENT FORMER
CALENDAR OF EVENTS Oct. 3 to 5
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Symposium on Ion-Selective Electrodes. Veszprem, Hungary. Sponsor: I M E K O . Contact: I M B K O Secretariat, Budapest, 5, P.O.B. 457, Hungary. Page 61 A, Sept.
Oct. 6 to 11
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Fall Meeting of The Electrochemical Society, Inc. Queen Elizabeth Hotel, Montreal, P . Q., Canada. Contact: The Electrochemical Society, Inc., 30 East 42nd St., New York, Ν. Υ. 10017
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1968 International Conference on Modern Trends in Activation Analysis. National Bureau of Standards, Gaithersburg, M d . Contact: Analytical Chemistry Division, Institute for Materials Research, National Bureau of Standards, Washington, D . C. 20234. Page 96 A, Mar.
Oct. 7 to 11 Oct. 7 to 9
The ISCO Model 570 is a fully automatic instrument for form ing sucrose, CsCI, or other den sity gradients used in density gradient ultracentrifugation and electrophoresis. Convex, concave, linear, and exponential gradients from 3 to 80 ml can be programmed without cutting any cams. All gradients are iden tical and faithful reproductions of the desired curve. Centrifuge tubes are held in a rotating reel and are sequential ly filled with a preselected gra dient without any attention from the operator. You can set it up in the afternoon and have 22 perfect gradients waiting in the morning.
For further information ask for brochure GF31J.
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Sixth International Seminar on Gel Permeation Chromatography. Eden Roc Hotel, Miami Beach, Fla. Contact: W. B. Richman, Waters Associates, 61 Fountain St., Framingham, Mass. 01701. Page 45 A, July.
Oct. 7 to 11
18th Annual Research Equipment Exhibit and Instrument Sym posium. Bethesda, Md. Contact: James B. Davis, National In stitutes of Health, Bethesda, Md. 20014. Page 43 A, Sept.
Oct. 8 to 10
Twelfth Conference on Analytical Chemistry in Nuclear Tech nology. Gatlinburg, Tenn. Contact: L. J. Brady, P. O. Box X, Oak Ridge, Tenn. 37830. Page 53 A, Sept.
Oct. 12 to 20
MAC 68. Eighth International Exhibit of Chemical Apparatus. Milan, Italy. Contact: General Secretariat, 20149 Milano, Via Dcsiderio da Settignano, 13, Milan, Italy
Oct. 13 to 15
ACS Northeast Regional Meeting. Boston, Mass. Contact: Powell, 65 Woodridge Rd., Rt, 2, Wayland, Mass. 01778
Oct. 14 to 17
82nd Annual Meeting of the Association of Official Analytical Chemists. Marriott Motor Hotel, Washington, D. C. Contact: L. G. Ensminger, AOAC, Box 540 Benjamin Franklin Station, Washington, D. C. 20044. Page 59 A, Aug.
Oct. 17 to 18
Oct. 17 to 18—Fall Conference of the Chemical Division of the American Society for Quality Control. Jack Tar Hotel, Durham, N. C. Contact: Donald S. Burdick, Math Dept., Duke Univer sity, Durham, N. C. 27706
Oct. 21 to 23
15th Spectroscopy Symposium and Instrument Exhibit. Royal York Hotel, Toronto. Sponsor: Spectroscopy Society of Canada. Contact: D. A. MacKillop, Dunlop Research Centre, Sheridan Park, Ontario, Canada. Page 55 A, May
Oct. 21 to 25
Automation in Analytical Chemistry. Wien, Austria, Joint Meet ing, Austrian Society for Microchemistry and Analytical Chemis try in the Verein Osterreichischer Chemiker, Swiss Society for Analytical and Applied Chemistry, and Analytical Chemistry Di vision of Gesellschaft Deutscher Chemiker. Contact: Gesellschaft Deutscher Chemiker, 6000 Frankfurt (Main), Postfach 9075, Ger many
Oct. 28 to 30
Seventh Rare E a r t h Research Conference. Coronado, Calif. Spon sors : Solar Division of International Harvester Co. and National Science Foundation. Contact: Joseph F . Nachman, Solar Divi sion of International Harvester Co., 2200 Pacific Highway, San Diego, Calif. 92112
Oct. 29 to Nov. 1 (
15th National Vacuum Symposium. Pittsburgh Hilton Hotel, Pitts burgh, Pa. Contact: W. J. Lange, Westinghouse R & D Center, Pittsburgh, Pa. 15235
Oct. 31 | to Nov. 1 (
ACS Midwest Regional Meeting. Kansas State University, Man hattan, Kan. Contact: Robert M. Hammaker, Dept. of Chem istry, Kansas State University, Manhattan, Kan.
Nov. 6 to 8—Pacific Conference on Chemistry and Spectros copy. Jack T a r Hotel, San Francisco, Calif. Contact: Shirley B . Radding, Stanford Research Institute, Menlo Park, Calif. Page 64 A, Apr. Nov. 6 to 8—26th Pittsburgh Diffraction Conference. Carnegie-Mellon University, Pittsburgh, Pa. Contact: David L. Burk, Allegheny Ludlum Steel Corp., Research Center, Brackenridge, Pa. 15046. Page 43 A, June Nov. 7 to 8—Gulf Coast Spectroscopic Group Fall Meeting. Hilton Inn, New Orleans, La. Contact: Clinton Carroll, Pure Oil Co., Nederland, Texas
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ANALYTICAL CHEMISTRY
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