PITTCON 2:30
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(593) Practical Resolution of Overlapping Diode Array Absorbance Chromatogram Profiles. J. Hobbs, Beckman Instruments, Inc., B. Archer, D. Kelner, K. O'Dea (594) A Simplified Approach to Computer-Aided HPLC Method Development. M. K. Watkins, LC Resources Inc., T. Jupille, J. Dolan (595) Rapid Evaluation of HPLC Method Ruggedness. M. K. Watkins, LC Resources Inc., L. R. Snyder, D. C. Lorn men (596) A System Approach to System Suitability in HPLC Analyses. L. L. Robison, Beckman Instruments, Inc., D. S. McNeil, I. N. McCutcheon (597) Chromatographic and UVSpectroscopic Evaluation of a Series of Potential Internal Standards for Liquid Chromatographic Assays. D. M. Killmeyer, Monsanto Chemical Co., W. A. Brownfield, G. H. Kuhls (598) Selection and Validation of Calibration Models in HPLC. H. Richardson, Waters Chrom. Div. Millipore Corp., R. Andrews (599) The Application of Molecular Modeling to Liquid Chromatographic Retention Data. P. Myers, Phase Separations Ltd.
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ICP/Elemental Analysis MS Room 61 R. J. Conzenius, Iowa State University, Presiding
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(600) ICPMS Design—Throwing Away the Rule Book. C. T. Tye, VG Elemental, P. Hitchen, C. Seely (601) An Evaluation of Performance of Liquid Jet Ultrasonic Nebulizer for ICPMS Sample Introduction. G. Zhu, Georgia Institute of Technology, M. A. Tarr, R. F. Browner (602) A Q-Switched Nd:YAG Laser Microprobe for ICPMS Analysis. I. Abell, VG Elemental, D. Gregson, E. McCurdy (603) Determination of ICPMS Problem Elements in Semiconductor Chemicals by Electrothermal Vaporization Sample Introduction. P. M. Stanton, IBM Corp., J. W. Hannah (604) Atomic Beam TOF Spectrometer for Trace Analysis. H. Falk, Spectra Analytical Instruments, U. Gruner, K. P. Schmidt, H. Wollnik, A. Zepernick (605) Determination of Uranium and Uranium Isotopes in Mixed and Radiochemistry Wastes by ICPMS. J. E. Taphorn III, Martin Marietta Energy Systems, Inc., K. C. Mayfield, O. A. Vita (606) Use of a TOFMS for Plasma-Source MS. D. P. Myers, Indiana University, G. M. Hieftje (607) Elemental Depth Profiling of Thick Surface Layers Using Glow Discharge MS. A. Raith, Charles Evans & Associates, J. C. Huneke (608) Determination of Trace Amounts of Boron in High-Purity Quartz by ICPMS. H. Naka, Sumitomo Metal Industries, Ltd., H. Kurayasu (609) Speciation of Organotin Compounds by LC/ICPMS. K. Kawabata, Yokogawa Electric Corp., Y. Inoue
Mid-IR: Hyphenated Techniques Room 60 R. J. Jakobsen, IR-ACTS, 1:30
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The Coleman Model 35 Spectrophotometer Is economical and provides superior photometric accuracy and linearity. The Model 35 features a multi-functional digital display, a high energy quartz-halogen light source and maintiens an excellent signal-to-noise ratio. CIRCLE 31
Presiding
(610) Studies of Practical Detection Limits for GC/IR/MS. K. Krock, University of California, Riverside, C. Klawun, C. L Wilkins (611) The Effect of Light- Pipe Temperature on Compound Identification by GC/FT-IR. Q. Deru, University of Idaho, P. R. Griffiths (612) PCA/PCR-Based Technique for Estimating the Concentration from a GC/FT-IR Spectrum without Confirmation of the Structure. E. J. Hasenoehrl, University of Idaho, P. R. Griffiths (613) Pyrolysis-GC/FT-IR Spectroscopy of Butadiene-Acrylonitrile Copolymers. P. Stout, Bio-Rad, K. Krishnan, D. Weber (614) Improving the Detection and Identification of PAHs by GC/Cryogenic Trapping FT-IR. J. R. Powell, Bio-Rad, S. V. Compton, K. Krishnan (615) A Comparison of Soil Samples Analyzed by TGA/GC/FT-IR. M. Fuller, Nicolet Instrument Corp., F. J. Weesner (616) Particle Dynamics within the LC/FT-IR Particle Beam Interface. K. R. Edman, Georgia Institute of Technology, R. F. Browner. J. A. de Haseth (617) Pharmaceutical Separations with MAGIC-LC/FT-IR Spectrometry. G. K. Ferguson, University of Georgia, J. A. de Haseth, R. F. Browner (618) Classification of Condensed-Phase IR Spectra by Substructures Using Principal Components Analysis. E. J. Hasenoehrl, U. of Idaho, P. R. Griffiths The 3D HPLC System combines the three most effective detection modes - UV, fluorescence and conductivity - for both simultaneous or individual analyses - in one, inexpensive unit. The complete system includes : the pump, Injector, > cartridge column, recorder, and the patented trifunc-ional detector. CIRCLE 32
The BACHARACH Quality Advantage With over 80 years of experience and a strong reputation for manufacturing high quality, economical detection, testing and measuring equipment for environmental, quality control and education applications.. .BACHARACH has become the source for high performance laboratory equipment. The BACHARACH Analytical Group combines engineering innovations with analytical market experience to create a complete product line that also I includes - the Mercury System which Pcombnes instruments, computer software and accessories-as well as the 51Ca Flame Photometer.
BACHARACH
)91 Bacharach Analytical Group • 625 Alpha Drive • Pittsburgh, PA 15238 • (412) 963-2107 • Fax (412) 963-2091 174 A • ANALYTICAL CHEMISTRY, VOL. 64, NO. 3, FEBRUARY 1, 1992
