News
Purify
10:05 Mass Spectrometric Trace Element Analyses. C. A. Evans, Jr., Materials Research Labs, University of Illinois, Urbana, III. 61801 10:40 Trace Analyses in Metals by Residual Resistivity Methods. R. L. Powell, Cryogenics Div., NBS-lnstitute for Basic Standards, Boulder, Colo. 80302 11:10 Trace Analysis by Electrochemical Methods. J. K. Taylor, Analytical Chemistry Div., National Bureau of Stan dards, Washington D. C. 20234 11:40 The Determination of Trace Elements by High-Flux Activation Analysis. V. P. Guinn, University of California, Irvine, Calif. 92664
solvents inyourown laboratory
Tuesday Afternoon THE RELEVANCE OF TRACE ANALYSIS IN 1971 W. W. Meinke, Presiding
2:00 The Role of the Spectrophotometer in Modern Trace Analysis. D. F. Boltz, Wayne State University, Detroit, Mich. 48202 2:30 The Analysis of Trace Constituents with the Electron Probe Microanalyzer. K. F. J. Heinrich, Institute for Ma terials Research, National Bureau of Standards, Washing ton, D. C. 20234 3:00 The Blank in Trace Analysis—Some Recent Problems and Their Solutions. J. P. Cali, National Bureau of Stan dards, Washington, D. C. 20234 3:35 Reference Materials for Accurate Trace Measurement. W. W. Meinke, National Bureau of Standards, Washington, D. C. 20234 4:05 Introduction of Fisher Award Winner. H. Freiser 4:15 Fisher Award Address. G.H.Morrison
for synthesis reactions biological testing chromatography spectroscopy dehydration
Wednesday, March 31 Wednesday Morning RECENT ADVANCES IN FLAME SPECTROMETRY J. D. Winefordner, Presiding
9:05 Selective Modulation in Flame Spectrometry. V. G. Mossotti, University of Minnesota, Minneapolis, Minn. 55455 9:45 Flame Spectrometric Techniques Utilizing Isolated Droplet Sample Introduction System. G. M. Hieftje, Indi ana University, Bloomington, Ind. 47401 10:40 Flame Emission Spectrometry with Optical Scanning. T. C. Rains, Oscar Menis, Analytical Chemistry Div., Na tional Bureau of Standards, Washington, D. C. 20234 11:20 Wavelength Modulation Methods in Atomic Absorp tion and Atomic Fluorescence Spectrometry. G. Nitis, J. D. Winefordner, University of Florida, Gainesville, Fla. 32601 GENERAL R. A. Osteryoung, Presiding
9:05 Normal Pulse Polarographic Studies of Halide De polarization of Mercury in Sodium-Potassium Nitrate Melts. W. O'Deen, R. A. Osteryoung, Colorado State Uni versity, Fort Collins, Colo. 80521 9:25 Thin-Layer Electrochemistry in Molten Salts. A. T. Hubbard, L. P. Zajicek, University of Hawaii, Honolulu, Hawaii 96822 9:40 The Electrochemiluminescence Obtained on the Re duction of 9,10-Dichloro-9,10-diphenylanthracene. T. M. Siegel, H. B. Mark, Jr., University of Cincinnati, Cincinnati, Ohio 45221 10.00 Hydration Number of Sodium Ions by Sodium Mag netic Resonance. A. L. Van Geet, State University College at Oswego, Oswego, Ν. Υ. 13126 10:15 Differential Voltammetric Scanning Thermometry of Formic Acid Solution in I F HCL02. Β. Β. Graves. Eastern Michigan University, Ypsilanti, Mich. 48197 10:35 Enzyme Electrodes. G. G. Guilbault. Louisiana State University in New Orleans, New Orleans, La. 70122 10:55 Oxidation of Water and Quinones by Silver(ll) in Acetonitrile. Byron Kratochvil, Carl Garber, University of Alberta, Edmonton, Alberta, Canada 11:10 Titrimetric Determination of Trace Sulfate Using a Lead Ion-Selective Electrode. R. N. Heistand, C. T. Blake, Sun Oil Co., P. O. Box 426, Marcus Hook, Pa. 19061
Purify solvents easily and inexpen sively by passing them through a column of WOELM Active Alumina Adsorbent. For complete informa tion about this technique, write for Application Note No. 101, "Purifi cation of Solvents by Active A l u m i na." Waters Associates, Inc., 61 Fountain St., Framingham, Mass. 01701. Phone (617) 879-2000.
WATERS ASSOCIATES 5071 Circle No. 193 on Reader's Service Card
ANALYTICAL CHEMISTRY, VOL. 43, NO. 3, MARCH 1971
·
53 A
