quantachrome corp. - ACS Publications

Exhibits Director: Edward G. Brame, Jr., Consulting Associates, Inc. Secretary: Keith Olson, General Motors. Treasurers: Jim Purcell, U S. Dept, ofAgr...
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MEETING! Microcolumn Separation Techniques

Meeting Officers

Arranged by David L. Rothman Elutlon Selectivity in Microcolumn LC: Applications In Pharmaceutical Analysis. J. C. Giuckman, U of Vermont High-Performance Capillary Electrophoresis. A. Paulus, A. Cohen, B. Karger, Northeastern U Instrumentation for Open-Tubular Chromatography. R. T. Kennedy, J. White, J. W. Jorgenson, R. L. St. Claire, P. R. Dluzneski, M. D. Oates, U of North Carolina Multidimensional Chromatography Using Micro HPLC and Capillary GC. H. Cortes, Dow Chemical Co. Optical Detection In Mlcellar Electrokinetic Capillary Chromatography. M. J. Sepaniak, U of Tennessee Solvent Modulation as an Alternative to Mixed Mobile Phases in Microcolumn LC. V. L. McGuffin, J. H. Wahl, C. G. Enke, Michigan State U Nature of Capillary Electrophoresis with Mlcellar Mobile Phases. A. G. Ewing, R. A. Wallingford, Pennsylvania State U

General Chairmen: David Coleman, Wayne State University; Felix Schneider, U.S. FDA Program Chairman: John Beaty, Thermo Electron Chairman of the Governing Board: Patricia Roush, Perkin-Elmer Corp. Exhibits Director: Edward G. Brame, Jr., Consulting Associates, Inc. Secretary: Keith Olson, General Motors Treasurers: Jim Purcell, U.S. Dept. of Agriculture; Sally Brauer, BASF Wayandotte Publicity: Rosemary Manter, Thermo Jarrell Ash; Steve Swarin, General Motors

Synchronous Scan Fluorescence Spectrometry for Molecule Identification In Supersonic Jet Spectrometry. N. Ishibashi, Kyushu U, Japan

Role of Palladium as a Modifier for Furnace Atomization. J. A. Holcombe, D. A. Bass, D. L. Styris, D. A. Redfield, U of Texas

Chromatography Theory/Models

Ion Cyclotron Resonance and Mass Spectrometry

Model for Size Exclusion Chromatography of Polyelectrolytes. P. L. Dubin, C. M. Speck, J. Kaplan, R. M. Larter, J. Wu, Purdue U Characterization of Refractive Index Effect on Absorbance Detection in LC. V. L. McGuffin, C. E. Evans, J. G. Shabushnig, Michigan State U Computer Analysis of Column Length Tuning for High-Speed GC. R. D. Sacks, S. Levine, U of Michigan Deconvolution of Severely Overlapped Gas Chromatographic Peaks Using a Nonlinear Relaxation Method. P. B. Crilly, Hewlett-Packard Evaluation of Systematic Error in Quantitative Thin-Layer Chromatographic Assays. J. E. Haky, D. A. Sherwood, S. T. Brennan, Warner-Lambert/ Parke-Davis Good Hits with Bad Curves; Library Matching in Cases of Low Resolution. L. S. Ramos, B. G. Rohrback, Infometrix, Inc. Quality Assurance of Electronic Integrators Using Simulated Chromatography. A. N. Papas, T. Tougas, M. F. Delaney, U.S. FDA Recycling Heart-Cut Chromatography—Theory and Evaluation. P. D. Wentzell, S. K. Ratanathanawongs, K. Kurtz, S. R. Crouch, Michigan State U Strategies for High-Speed GC. R. D. Sacks, R. Mouradian, L. Lanning, S. Levine, U of Michigan Electrothermal Atomization: Fundamentals and Applications

Experimental Evaluation of a Hyperbolic Trapped Ion Cell for FT-ICR/MS. M. Wang, E. B. Ledford, Jr., A. G. Marshall, Ohio State U Laser Desorption in Atmospheric Pressure MS. S. D. Huang, D. M. Lubman, U of Michigan Quadrature-Detected FT-ICR/MS. A. G. Marshall, F. R. Verdun, S. L. Mullen, T. L. Ricca, The Ohio State U Resolution Enhancement by Means of Multiple Fold Over in FT-ICR/MS. M. Wang, A. G. Marshall, The Ohio State U Interface of Supercritical Fluid Injection to a Mass Spectrometer. H-M. Pang, D. M. Lubman, C. H. Sin, U of Michigan

Microwave-Induced Plasma Sources: New Developments Design Considerations and Characteristics of a Kilowatt-Plus MIP. J. W. Carnahan, K. B. Cull, Northern Illinois U Investigation of Diffusion of Air Into the Excitation Area of MIP. S. Hanamura, U of Hawaii

FROM THE LEADER IN POWDER TECHNOLOGY TO M E E T YOUR PARTICLE S I Z E ANALYZER NEEDS

Microscan

Arranged by John Sotera Accuracy of the Selenium Determination in Body Fluids Using Graphite Furnace AAS: Results from an Intel-laboratory Exercise. G. Schlemmer, B. Welz, Bodenseewerk Perkin-Elmer Corp., F.R.G. Background Correction in Graphite Furnace AAS. D. E. Shrader, L. M. Beach, T. M. Rettberg, Varian Instrument Group Elimination of Matrix Effects In SlurryElectrothermal AAS. K. W. Jackson, M. W. Hinds, U of Saskatchewan, Canada Explaining the Curvature Observed in Arrhenlus Plots for GFAAS. J. A. Holcombe, D. A. Bass, U of Texas Factors Influencing the Thermal Pretreatment of Biological Samples in the Graphite Furnace. T. W. Brueggemeyer, F. L. Fricke, U.S. FDA Palladium Matrix Modification: Fundamentals of Chemistry and Use. T. M. Rettberg, L. M. Beach, D. E. Shrader, Varian Instrument Group Resonance Schlieren Observation of Analyte Distribution in GFAA. J. A. Holcombe, J. D. Stafford, U of Texas Determination of Lead in Ceramic Materials by GFAA Employing a Microwave Digestion. D. W. Mincey, Youngstown State U

Sk

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• For the rapid, accurate measurement of particle size distributions using the universally-accepted sedimentation technique. • Wide range of particle diameters— 300 to 0.1 micrometer.

mated operation with user-prompting. • Printer, plotter, video terminal and keyboard included. • Full data reduction—percent mass, sur­ face area and number distributions and histograms in printed and plotted form. • Complete, computer-controlled auto­ • Built-in RS-232 interface.

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POWDER TECHNOLOGY INSTRUMENTATION 5 Aerial Way, Syosset, NY. 11791 · (516) 935-2240 · TWX 510-221-2239 CIRCLE 138 ON READER SERVICE CARD ANALYTICAL CHEMISTRY, VOL. 59, NO. 15, AUGUST 1, 1987 · 949 A