The new developing system from CAMAG Obtain reproducible TLC separations Save time Cut costs
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gas chromatography-mass spectros copy. For further information contact Phil Kane, Texas Instruments, Inc., P.O. Box 5936, M / S 147, Dallas, TX 75222. 1972 Eastern Analytical Symposium Chalfonte-Haddon Hall, Atlantic City, NJ October 3 1 to November 2, 1972
Contributed papers with emphasis in the areas of general spectroscopy, gen eral chromatography, and new com mercial instruments with applications are desired. Submit papers to Η. Η. Richtol, Chemistry Dept., Rensselaer Polytechnic Institute, Troy, NY 12181. Enzymology in Clinical Medicine
The Vario-KS-Chamber is a versatile TLC developing system that has as many applications as you have challenges. Do you want to — D Obtain reproducible chromatographs for quantitative TLC? Π Study the effect of relative humidity on TLC separations? Π Evaluate the effects of organic vapors on R£ values? •
Isolate components of complex mixtures with limited trial on one plate?
D Develop 10 samples with up to 5 different solvents on one plate? D Analyze class of compound? D Employ reaction chromatography? D Perform continuous development TLC? If you have checked two or more of the above features you need a CAMAG Vario-KS-Chamber in your laboratory. Write today for complete details. The sooner you have this new developing chamber, the sooner you will begin solving your problems in TLC. Also, you will enjoy savings in time and reduce consumption of precoated plates and solvents.
Chromatograms spotted with CAMAG Test Dye UN illustrate effects of relative humidity, solvent preconditioning and development with 5 solvents at one time.
CAMAG Inc. 2855 S. 163rd Street / New Berlin, Wis. 53151 In Canada: MONDRAY Ltd. Telephone: (514) 481-0710 P.O. Box 311, Station NDG, Montreal 260, Quebec, Canada CIRCLE 4 8 O N READER SERVICE CARD
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ANALYTICAL CHEMISTRY, VOL. 44, NO. 4, APRIL 1972
Three institutions are planning pro grams in enzymology this spring and summer. They are the University of Minnesota, Mount Sinai Hospital Medical Center, and Massachusetts In stitute of Technology. A course, "Enzymology in the Prac tice of Laboratory Medicine," will be given May 10 to 12, 1972, at the Mayo Memorial Auditorium. This course is being sponsored by the Department of Laboratory Medicine and the Office of Postgraduate Medical Education at the University of Minnesota. Details are available from Dr. James M. Schless, Director of the Office of Postgraduate Medical Education, Box 193, Mayo Memorial BIdg., Minneapolis, MN 55455. An International Seminar and Work shop on Enzymology will be held May 22 to 24, 1972, at Mount Sinai Hospital Medical Center. The program is spon sored by the University of Health Sci ences/The Chicago Medical School and Mount Sinai Hospital Medical Center, Chicago, IL, and is primarily designed for clinical laboratory directors and supervisors. The faculty includes H. U. Bergmeyer, Germany; D. Moss, England; G. N. Bowers and R. B. McComb, Hartford, CT; J. James, B. A. Johnson, and R. Schaffer, Knoxville, TN, and NBS, Washington, DC; C. F. Fasce, W. Copeland, and R. E. Vanderlinde, Albany, NY; G. P. Hicks, Mad ison, WI; A. Karmen, New York; A. F. Krieg, Hershey, PA; R. N. Rand, Phila delphia, PA; and staff members. The total program includes lectures, demon strations, and discussions. For more information and registration forms, write to Norbert W. Tietz, Professor and Director of Clinical Chemistry, Mount Sinai Hospital Medical Center, Chicago, IL 60608. Massachusetts Institute of Technol ogy Summer School Program in En zymes and Their Use in Analysis and
