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May 4 to 9—Spring MeetingElectrochemical Society. ... Contact: Federazione Delle Associazioni Scientifiche e Tecniche,. 20121 Milan, Via Marcona 49,...
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News May 1 to 2—Metrochem '69. Hilton Hotel, New York City. Sponsors: New York and North Jersey Sections, ACS. Contact: George Heinze, Johnson and Johnson Research Center, New Brunswick, N . J. 08903 May 4 to 9—Spring Meeting Electrochemical Society. Commodore Hotel, New York City. Contact: The Electrochemical Society, 30 East 42nd St., New York Ν Υ 10017 May 12 to 15—20th Annual Mid-America Symposium on Spectroscopy. SheratonChicago Hotel, Chicago, 111. Contact: Richard L. Terry, Sinclair Research, Inc., 400 East Sibley Blvd., Harvey, 111. 60426. T e l : (312) 468-9300, Ext. 503. Page 61 A, Nov. May 17 to 25—International Chemistry Exhibition; XX International Congress— Chemistry Days 1969. Milan, Italy. Sponsor: Federation of Scientific and Techni­ cal Associations. Contact: Federazione Delle Associazioni Scientifiche e Tecniche, 20121 Milan, Via Marcona 49, Italy May 18 to 23—17th Annual Conference on Mass Spectrometry and Allied Topics. Sheraton-Dallas Hotel, Dallas, Texas. Sponsor: ASTM Committee E-14. Contact: J. M. McCrea, Applied Research Laboratory (73), IT. S. Steel Corp., Monroeville, Pa. 15146. Page 47 A, Dec. May 19 to 20—Fourth Annual Seminar on Pesticide Residue Analysis. University of Manitoba, Winnipeg, Manitoba, Canada. Sponsors: Canada Dept. of National Health and Welfare and Manitoba Dept. of Health. Contact: Ben Berck, Canada Dept. of Agriculture Research Station, Winnipeg, Canada May 25 to 28—52nd Canadian Chemical Conference and Exhibition. Queen Elizabeth Hotel, Montreal, Que. Contact: Chemical Institute of Canada, 151 Slater St., Ottawa 4, Ontario, Canada May 26 to 30—XT Colloquium Spectroscopicum Internationale. Madrid, Spain. Contact: E . Arsensi Alvarez-Arenas, Serrano, 119, Madrid-6, Espana June 4 to 6—International Congress on Automated Analysis. Conrad Hilton Hotel, Chicago, 111. Contact: Jerome E . Golin, Technicon Corp., Ardsley, Ν . Υ. 10502 June 5 to 6—Third Great Lakes Regional ACS Meeting. DeKalb, 111. Includes Analytical Chemistry Sessions. Contact: Richard C. Bowers, Northern Illinois University, DeKalb, 111. 60115 June 5 to 11—Fifth International Meeting of Forensic Sciences. Toronto, Canada. Contact: Frank L. Wilson, Dept. of the Attorney General, Parliament Bldg., To­ ronto 2, Canada June 12 to 13—24th Annual Northwest Regional ACS Meeting. University of Utah, Salt Lake City, Utah. Includes Analytical Chemistry Sessions. Contact: Edward M. Eyring, Dept. of Chemistry, University of Utah, Salt Lake City, Utah 84112 June 12 to 14—ACS Analytical Chemistry 22nd Annual Summer Symposium. Univer­ sity of Georgia, Athens, Ga. Sponsors: Analytical Chemistry Division and ANA­ LYTICAL CHEMISTRY. Subject: Modern Instrumental Techniques for Elemental Analysis. Contact: G. H. Morrison, Dept. of Chemistry, Cornell University, Ithaca, Ν. Υ. 14850 June 22 to 27—ASTM 72nd Annual Meeting. Chalfonte-Haddon Hall, Atlantic City, N. J. Contact: American Society for Testing and Materials, 1916 Race St., Phila­ delphia, Pa. 19103 July 14 to 18—International Conference on Atomic Absorption Spectroscopy. Shef­ field, England. Contact: A.A.S. Conference Secretary, Society for Analytical Chem­ istry, 9/10 Savile Row, London, W.l, England Page 49 A, July July 15 to 18—Meeting on NMR Spectroscopy. Birmingham, England. Contact: The Chemical Society, Burlington House, London, W.l, England July 16 to 18—Fourth National Conference on Electron Microprobe Analysis. H u n t ington-Sheraton Hotel, Pasadena, Calif. Contact: A. A. Chodos, Geology Dept., California Institute of Technology, Pasadena, Calif. 91109 July 21 to 25—International Symposium on Analytical Chemistry. Birmingham, E n ­ gland. Sponsors: SAG and H I P AC. Contact: D. M. Peake, 61 Lodge Rd.„ Walsall, Staffordshire, England. Page 57 A, Aug. Aug. 17 to 22—Annual Meeting American Association of Clinical Chemists. Denver, Colo. Contact: David A. H. Roethel, 1155 16th St., N. W. Washington, D. C. 20036 Aug. 17 to 24—3rd NMR Symposium. University of Toronto, Toronto, Ont. Sponsor: Physical Chemical Division (CIC) and University of Toronto. Contact: Chemical Institute of Canada, 151 Slater St., Ottawa 4, Ontario, Canada Aug. 31 to Sept. 4—International Conference on Calorimetry and Thermodynamics. Warsaw, Poland. Contact: H. Kehiaian, Secretary, Organizing Committee, Insti­ tute of Physical Chemistry, Polish Academy of Sciences, P . O. Box 49, Warsaw 42, Poland. Sept. 7 to 12—158th National ACS Meeting. New York City. Includes Analytical Division Sessions. Contact: Fred McLafferty, Cornell University, Ithaca, Ν . Υ. 14850 Sept. 8 to 13—Seventh International Congress of Clinical Chemistry. Geneva, Switz­ erland. Contact: VHth International Congress of Clinical Chemistry, Palais des Expositions, 1211 Geneva 4, Switzerland. Page 93 A, Feb. Sept. 29 to Oct. 1—Symposium on New Trends in Industrial Analysis. SheratonBrock Hotel, Niagara Falls, Ontario. Sponsor: Analytical Chemistry Division, Chemical Institute of Canada. Contact : P. R. Patterson, Cyanamid of Canada, Ltd., P. O. Box 240, Niagara Falls, Ontario, Canada Oct. 5 to 10—Fall Meeting Electrochemical Society. Statler Hilton Hotel (also Sher­ aton Cadillac), Detroit, Mich. Contact: T h e Electrochemical Society, 30 East 42nd St., New York, Ν . Υ. 10017

QUANTITATIVE

ν

SPECTRAL Double Beam SCANNING OF TLC AND other SOLID or LIQUID media TO 3 O.D. has become a reality with the SCHOEFFEL

SPECTRO DENSITOMETER SD 3000 The unit includes a quartz prism MONOCHROMATOR 200-700 mu ( 1 9 0 - 1 5 0 0 m u optional) and a Xe or XeHg ILLUMINATION UNIT as well as a u t o m a t i c PLATE TRANSPORT. ( 2 0 c m plates scan in 2 min.)

Circle No. 193 on Reader's Service Card

The INTEGRATION UNIT and DENSITY COMPUTER p e r m i t rapid data j u n c t i o n with the base line errors 0 . 1 % and 0 . 5 % plates.

a c q u i s i t i o n in con SD 3 0 0 0 . Average are b e t t e r t h a n with normal TLC

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Circle No. 194 on Readers' Service Card

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S C H O E F F E L INSTRUMENT-CORP Westwood, Ν. J . 0 7 6 7 5 (201) 664-7263

VOL. 4 1 , NO. 1, JANUARY 1969

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