5th International Symposium onSupercritical Fluid Chromatography

and Extraction

ORAL AND POSTERABSTRACTS

Baltimore, MarylandJanuary 10-14,1994

UB/TIB Hannover 8911.1 51746X

TABLE OF CONTENTS

ORAL PRESENTATIONS PAGE

Supercritical Fluid Fractionation and Phase Behavior of Polymers. M. A. McHugh, JohnsHopkins University, Baltimore, MD 1

SFE: Optimizing Aqueous Extractions. M. E. P. McNally, and M. A. Banks, E. I. DuPont deNemours & Co. Inc., Wilmington, DE 2

Modeling of Supercritical Fluid Extraction. A. A. Clifford and K. D. Battle,University of Leeds, UK 3

Application of Packed Capillary Columns in Supercritical Fluid Chromatography. W. Li, A.Malik, and M. L. Lee, Brigham Young University, Provo, UT 4

Molecular Theory of Retention in SFC and Its Application. D. E. Martire, GeorgetownUniversity, Washington, DC 5

Innovative Techniques and Advanced Practice in the Use of Supercritical Fluid MobilePhases. Karin E. Markides, University of Uppsala, Sweden 6

Quantitative Aspects of Capillary SFC. T. L. Chester and D. P. Innis, The Procter & GambleCompany, Cincinnati, OH 7

Approaches to the Development and Validation of Analytical SFE Methods. V. Lopez-Avila,Midwest Research Institute, Mountain View, CA; W. F. Beckert, U. S. Environmental ProtectionAgency, Las Vegas, NV 8

Standardization Efforts Relating to Supercritical Fluid Chromatography by ASTMCommittee E19. E. M. Calvey, Food and Drug Administration, Washington, DC 9

Supercritical Fluid Extraction of Natural Matrix Standard Reference Materials. B. A.Benner, Jr., National Institute of Standards and Technology, Gaithersburg, MD 10

Development of a Manufacturing Standard of Purity for Carbon Dioxide Used inSupercritical Fluid Applications. F. K. Schweighardt, Air Products & Chemical, Inc.,Allentown, PA; S. B. Miller, Scott Specialty Gases, Plumsteadville, PA; W. J. Otto, MortonInternational, Woodstock, IL; L. M. Sidisky, Supelco, Inc., Bellefonte, PA 11

Supercritical Fluid Extraction for Residue Analysis in FDA's Total Diet Study. M. L. Hopper,Food and Drug Administration, Lenexa, KS 12

Determination of Fat and Total Lipid Content of Food Products by SFE. J. W. King and J.H. Johnson, National Center for Agricultural Utilization Research, Agricultural ResearchService/USDA, Peoria, IL 13

Plasma Mass Spectrometry for Ultra-Trace Detection in Supercritical FluidChromatography. L. K. Olson and J. A. Caruso, University of Cincinnati, Cincinnati, OH 14

Supercritical Chromatography of Lipids. L. G. Blomberg and M. Demirbiiker, StockholmUniversity, Sweden 15

Three Practical Applications of Packed Column SFC. T. F. Berger, W. H. Wilson, and M. S.Klee, Hewlett-Packard Co., Wilmington, DE 16

Determination of Unsulfated Alcohols in Anionic Surfactants by SFC, GC, HTGC, andHPLC - Which Method is Best. M. Nicolae and H. Bryant, Helene Curtis, Inc., Chicago, IL 17

On-Line Supercritical Fluid Extraction and Chromatography of Organotin Compounds.C. F. Poole, J. W. Oudsema and K. G. Miller, Wayne State University, Detroit, MI 18

Quantitative Extraction of Sulfonated Surfactants and Fluorescent Whitening Agents fromSewage Sludge and Sediment by Ion-Pair/Supercritical Fluid Extraction. J. A. Field,Oregon State University, Corvallis, OR; T. Poiger and W. Giger, Swiss Federal Institute forEnvironmental Science and Technology, Diibendorf, Switzerland 19

SFE Sample Preparation: Interfacing Chemical Analysis with Bioassay. M. F. Wolfe andD. E. Hinton, University of California, Davis CA, and J. N. Sieber, University of Nevada, Reno,NV 20

Improving the Experimental Design in SFE. T. Greibrokk, B. E. Berg and H. R. Johansen,University of Oslo, Norway 21

Comparison of Extraction Techniques for the Analysis of Liquid Samples. D. E. Raynie, T.E. Delaney and P. A. Rodriguez, The Procter & Gamble Company, Cincinnati, OH 22

Collection Efficiency in SFE. M.-L. Riekkola, K. Hartonen, and Vaananen, Universityof Helsinki, Finland 23

Quantitative Extraction with Supercritical Fluids? Strategies and Results.B. W. Wenclawiak, F. Eisenbeiss, T. Hees, M. Krappe, G. Maio, T. Paschke, C. Rathmann andJ. Schipke, University of Siegen, Germany 24

Optimizing Operational Parameters in Analytical SFE. B. E. Richter, J. L. Ezzell, N. L.Porter, and D. E. Knowles, Dionex Corporation, Salt Lake City, UT 25

Hassle-Free SFE: Fact or Fiction. J. M. Levy, L. A. Dolata, R. M. Ravey, V. Danielson, A. C.Rosselli, Suprex Corporation, Pittsburgh, PA 26

Coupled SFE-GC, SFE-HPLC and SFE-GC/MS (The Bridge). D. R. Gere, L. G. Randall, P.Castelli, C. R. Knipe and W. Pipken, Hewlett-Packard Co., Wilmington, DE 27

New Restrictor Technology for Use in SFE-SFC. J. Tehrani, J. Damian, and L. Myer, Isco,Inc., Lincoln, NE 28

Enhanced Chromatography with Fluids Containing Carbon Dioxide Under AutomatedPressure Control. F. Verillon, Gilson S. A., Villiers Le Bel, France 29

Advances/Issues in SFC Detection. W. H. Wilson, M. S. Klee and R. Kornfeld, Hewlett-Packard Co., Wilmington, DE 30

The Use of Supercritical Fluid Extraction and Chromatography Combined with MassSpectrometry for the Evaluation of Food Contact Materials. T. Biicherl and O. G. Piringer,Fraunhofer-Institute for Foodtechnology and Packaging, Munich, Germany 31

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Volatile and Semivolatile Analysis by SFE/GC/MS. J. M. Snyder, J. W. King and J. E. Small,Food Quality & Safety Research, National Center for Agricultural Utilization Research,USDA/ARS, Peoria, IL 32

Hyphenated SFC Techniques in Sunscreen Analysis. J. K. Broadbent, B. S. Martincigh, L. F.Salter, M. W. Raynor, University of Natal, Durban, South Africa, and R. Moulder and K. E.Markides, Upsala University, Sweden 33

An Integrated SFE Clean-Up/SFC/MS System For the Analysis of Pesticides inTissues. K. J. Voorhees, B. Murugaverl, and A. Gharaibeh, Colorado School of Mines, Golden,CO 34

Class Selective Supercritical Fluid Extraction Using Combined SFE-LC and Solid PhaseSorbents. M. Ahmad, A. J. Berry and E. D. Ramsey, University of Glamorgan, Wales, UK 35

Recent Developments for the Supercritical Fluid Extraction of Polar Contaminants inEnvironmental Matrices. J. M. Bayona, Y. Cai and R. Alzaga, CID-CSIC, Barcelona, Spain 36

Supercritical Fluid Extraction After In Situ Derivatisation of Residues UnderPhase Transfer Conditions and Ion Exchange Resins. M. Y. Croft, S. Chatfield, G. Yu, andR. J. Wells, Australian Government Analytical Labortaories, Pymble, Australia 37

Supercritical Fluid Extraction, A Useful Tool in Natural Product Research.F. David, Research Institute for Chromatography, Kortrijk, Belgium and P. Sandra, University ofGent, Belgium 38

Selectivity in the Supercritical Fluid Extraction of Fungal Metabolites. R. M. Smith,Loughborough University of Technology, Loughborough, U.K., and S. Cocks, S. K. Wrigley andI. C. Robinson, Xenova Ltd., Slough, U.K 39

Application of Off-Line Supercritical Fluid Extraction for the Routine Analysisof PCBs in Environmental Matrices. S. Bowadt and B. Johansson, EC Joint Research Centre,Ispra, Italy 40

SFE in the Extraction of Natural Components from Real Samples. C. Bicchi, and P.Rubiolo, Universita DegLi Studi Di Torino, Italy 41

The State of Supercritical Fluid Technology in Japan. K. Jinno, Toyohashi University ofTechnology, JAPAN 42

Supercritical Fluid Extraction of Metals and Radioisotopes with Fluorinated Ligands.C. M. Wai, University of Idaho, Moscow, Idaho 43

Precision Parts Cleaning With Supercritical CO2: Practical Applications andSolutions. P. Gallagher-Wetmore, E. Moy, and V. Krukonis, Phasex Corporation, Lawrence,MA ;. 44

Alternative Refrigerants as Supercritical Fluid Solvents. T. J. Bruno, NationalInstitute of Standards and Technology, Boulder, CO 45

Supercritical Fluid Disruption of Biological Cells for Sample Preparation. T. P. Castor,Aphios Corporation, Woburn, MA 46

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Challenging the Present Limits of Supercritical Fluid Extraction. J. Pawliszyn, N.Alexandrou, M. Lawrence, M. Kozliner, E. Otu, J. Szubra, Z. Miao, E. Huang and M. Yang,University of Waterloo, Canada, and S. Hawthorne, D. Miller, University of North Dakota,Grand Forks, ND, and F. Baker and J. King, USDA, Peoria, IL 47

POSTER PRESENTATIONS PAGE

A-Posters - Fundamental Concepts and Measurements

Is Raising Temperature a General Solution to Increasing Recoveries of Organic PollutantsUsing Supercritical CO2? S. B. Hawthorne, D. J. Miller, J. J. Langenfeld, A. Gharaibeh, andY. Yang, University of North Dakota, Grand Forks, ND A-l

Determining Solubilities of Low-Solubility Organics in Supercritical CO2 by On-LineCoupling with FID. D. J. Miller and S. B. Hawthorne, University of North Dakota, GrandForks, ND A-2

Synthesis of p+-Emitting Radiopharmaceuticals in Supercritical Fluids. G. Jacobson,B. Langstrom and K. E. Markides, Uppsala University, Sweden A-3

Understanding Phase Behavior in CO2-Based Binary Mixtures: Estimating CriticalMixture Curves. J. W. Ziegler and J. G. Dorsey, University of Cincinnati, Cincinnati, OH; T.L. Chester and D. P. Innis, The Procter & Gamble Company, Cincinnati, OH A-4

Relationship between Heats of Sorption on Soils and Supercritical Fluid ExtractionEfficiencies. T. M. Young, M. A. Schlautman and W. J. Weber, Jr., University of Michigan,Ann Arbor, MI A-5

Measurement and Influence of Phase Behavior on Supercritical Fluid Chromatographyand Extraction. S. H. Page and J. F. Morrison. National Institute of Standards andTechnology, Gaithersburg, MD A-6

Stress Analysis of Supercritical Fluid Extraction Vessel by Method of Finite Element. J.Seasholtz, Applied Separations, Allentown, PA and L. Van Gulick, Lafayette College, Easton,PA A-7

Portable Pump for Supercritical Fluid Delivery. M. A. Adams, E. O. Otu, M. Kozliner, J.Szubra, and J. Pawliszyn, University of Waterloo, Ontario, Canada A-8

Experimental Determination of Changes in Methanol Modifier Concentration inPremixed Carbon Dioxide Cylinders. J. Via and L. T. Taylor, Virginia Polytechnic Instituteand State University, Blacksburg, VA and F. K. Schweighardt, Air Products and Chemicals,Inc., Allentown, PA A-9

Dissolution of Drugs in Supercritical Fluids for Delivery of Find Particles into Lungs. R.E. Sievers, U. Karst, B. A. Watkins, CIRES, University of Colorado, Boulder, CO; B. M.Hybertson, University of Colorado Health Services Center, Denver, CO; A. F. Lagalante, B. N.Hansen, and T. J. Bruno, National Institute for Standards and Technology, Boulder, CO A-10

IV

Effect of Sample Solvent on Peak Shape and Retention Time in SFC. R. M. Smith and D.A. Briggs, Department of Chemistry, Loughborough University of Technology, Loughborough,England A-ll

Kinetic Modeling for SFE of Environmental Samples. S. B. Hawthorne, and D. J. Miller,University of North Dakota, Grand Forks, ND; and J. J. Langenfeld and J. Pawliszyn,University of Waterloo, Ontario, Canada A-12

Supercritical Fluid Technology: Instrumentation for Analytical and Process Applications.S. A. Liebman, C. Phillips, W. Fitzgerald, E. J. Levy, J. Wright, and R. Cohen, CCS InstrumentSystems, Inc., West Grove, PA A-13

Application of the Spectroscopic Ruler to the Determination of the AverageIntermolecular Distance Between Solutes in Supercritical CO2 and Enhanced FluidityLiquids. I. Souvignet and S. V. Olesik, The Ohio State University, Columbus, OH A-14

Feasibility of Combining Ultrasound and SFE Techniques. V. Lopez-Avila, Y. Liu and M.Alcaraz, Midwest Research Institute, Mountain View, CA; F. Beckert, U. S. EnvironmentalProtection Agency, Las Vegas, NV A-15

Fundamental Supercritical Parameters Used in Extraction and Chromatography. D. R.Gere and C. R. Knipe, Hewlett-Packard Co., Wilmington, DE; D. C. Messer and L. T. Taylor,Virginia Polytechnic Institute and State University, Blacksburg, VA A-16

B-Posters - Advances in SFC Techniques

The Role of Preparative SFC in Chiral Separations. A. M. Blum, DuPont MerckPharmaceutical Co., Wilmington, DE; and M. L. Kumar, Thar Designs Inc., Pittsburgh, PA B-l

Development of a Capillary SFC/ICPMS Interface for the Analysis of OrganometallicCompounds. D. Cornell, E. Blake and M. W. Raynor, University of Natal, Durban, SouthAfrica B-2

Solvent Effects on Packed Column SFC Injections. R. Kornfeld, M. S. Klee, T. A. Berger,and W. H. Wilson, Hewlett-Packard Co., Wilmington, DE B-3

Coupled Column Selectivity and Efficiency in Packed Column SFC. M. S. Klee, W. H.Wilson, and M. Z. Wang, Hewlett Packard Co., Wilmington, DE B-4

Improved Resolution of Diesel Fuel Class Fractionation Using Higher Temperatures andPacked Capillaries. N. L. Porter, B. A. Jones and B. E. Richter, Dionex Corp., Salt City City,UT; and A. Malik, W. Li, and M. L. Lee. Brigham Young University, Provo, UT B-5

Evaluation of the Particle Beam Interface for Coupling Packed Column SupercriticalFluid Chroirtatography With Mass Spectrometry. P. T. Jedrzejewski and L. T. Taylor,Virginia Polytechnic Institute and State University, Blacksburg, VA. B-6

Evaporative Light Scattering Detection for SFC. A New Universal Detector for Use withModifiers and Gradients. J. T. B. Strode and L. T. Taylor, Virginia Polytechnic Institute andState University, Blacksburg, VA; and T. Finn, Alltech Associates, Inc/Varex Group,Burtonsville, MD B-7

Enhancement of Selectivity for Planar Compounds in Supercritical FluidChromatography. B. R. Hillery and J. E. Girard, The American University, Washington, DC;S. A. Wise, National Institute of Standards and Technology, Gaithersburg, MD B-8

Studies on the Equilibration of a Silica Column SFC System in the Presence of PolarModifiers in the Carbon Dioxide Mobile Phase. O. Gyllenhaal and J. Vessman, Astra HassleAB, Molndal, Sweden B-9

Dead Time and Capacity Factor Evaluation for Small Diameter Packed Columns in SFCwith UV Detection. M. O. Osonubi and D E. Martire, Georgetown University, Washington,DC B-10

Essential Considerations for Quantitative Trace Analysis in Open-Tubular SFC withRetention Gap Injection. T. L. Chester and D. P. Innis, The Procter & Gamble Company,Cincinnati, OH B-ll

Reversed Phase HPLC Using Enhanced Fluidity Mobile Phases. S. T. Lee and S. V. Olesik,The Ohio State University, Columbus, OH B-12

Functional Group Selectives for Highly Polar Mobile Phases Used in Supercritical FluidChromatography. J. A. Blackwell and L. E. Schallinger, 3M Pharmaceuticals, St. Paul, MN B-13

C-Posters - Applications of SFC

A Supercritical Fluid Chromatographic System for Investigations of Solubilities andRetention Behaviour. M. Johannsen and G. Brunner, Technische Universitat Hamburg-Harburg, Germany C-l

Chiral Separations on Cellulose and Amylose based CSPs by Packed Column SFC. W. H.Wilson, Hewlett-Packard Co., Wilmington, DE C-2

Analysis of Taxol by Packed Column SFC. M. S. Klee and M. Z. Wang, Hewlett PackardCo., Wilmington, DE C-3

Packed Column Supercritical Fluid Chromatography for the Analysis of Felodipine. J. T.B. Strode III and L. T. Taylor, Virginia Polytechnic Institute and State University, Blacksburg,VA; A. L. Howard, D. Ip, and M. A. Brooks, Merck Research Laboratories, West Point, PA C-4

Separation of Sulfur-Containing Compounds by Supercritical Fluid Chromatographywith UV Detection. S. Heng and L. T. Taylor, Virginia Polytechnic Institute and StateUniversity, Blacksburg, VA C-5

Semi-preparative Separation of Crude Palm Oil by Supercritical Fluid Chromatography.Y. Yamauchi, M. Bonoshita, and M. Saito- E. Perera. JASCO Corporation, Japan; Y. Choo, Y.Hawaii, and A.-N. Ma, Palm Oil Research Institute of Malaysia; E. Perera, Biosains Enterprise,Malaysia C-6

Separation of Enantiomers by Open Tubular Column Supercritical FluidChromatography (SFC) Using Differently Tethered p-Cyclodextrin Stationary Phases. W.Li, A. Malik, G. Yi, J. S. Bradshaw and M. L. Lee, Brigham Young University, Provo, UT; P.Petersson and K. E. Markides, Uppsala University, Sweden C-7

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Supercritical Fluid Extraction and Chromatography of Pyrethroids and Pyrethrins. J.Schipke and B. W. Wenclawiak, University of Siegen, Germany C-8

Quantitative Determination of Polyethylene Glycols and Ethoxylated Alcohols inConsumer Products by Supercritical Fluid Chromatography. R. T. Hentschel and J. D.Pinkston, The Procter & Gamble Co., Cincinnati, OH C-9

Capillary SFC-FTIR - Effects of the Flow Cell on Chromatographic Resolution. T. J.Jenkins, M. Kaplan, and G. Davidson, University of Nottingham, UK C-10

Capillary SFC-FTIR-MS - A Multiply-Hyphenated System. M. Carrott, M. Kaplan, S.Bajic, andG. Davidson, University of Nottingham, UK C-l 1

D-Posters - Advances/New Concepts in SFE

Quantitative Detection and Recovery of Solutes in SFE Using On Line Mass Detection andLiquid CO2 as the Trapping Solvent. M. Sims, Marc Sims SFE, Berkeley, CA D-l

Development of Automated SFE Methods for Fat Determinations. A. C. Rosselli, J. M.Levy, V. Danielson, and L. A. Dolata, Suprex Corporation, Pittsburgh, PA D-2

Automated Development of SFE Methods for the Determination of Total PetroleumHydrocarbons and Polynuclear Aromatic Hydrocarbons in Soil. L. A. Dolata, J. M. Levy,A. C. Rosselli, R. M. Ravey, and V. G. Danielson, Suprex Corporation, Pittsburgh, PA D-3

Good Things Come to Those Who Wait: Automated Variable Restriction for SFE. J. M.Levy, A. C. Rosselli, L. A. Dolata, R. M. Ravey, V. G. Danielson, D. J. Koebler, and G.Williams, Suprex Corporation, Pittsburgh, PA D-4

Hand-Tightened, High Pressure Supercritical Fluid Extraction Vessels. B. S. Musser, M.Piserchio, R. Henry, and E. Boone, Keystone Scientific Inc., Bellefonte, PA D-5

The Production Environmental Lab and SFE. M. L. Bruce, Enseco Wadsworth/ALERTLaboratories, North Canton, OH D-6

Development of Supercritical Fluid Extraction Methods for Pesticides in Produce. S. J.Lehotay, N. Aharonson, K. Eller, and M. A. Ibrahim. U. S. Department of Agriculture,Beltsville, MD D-7

Addition of Co-solvent and Modifier on On-Line SFE / GC. T. Maeda, Y. Yamaguchi, andY. Yasuk'DDK Corporation, Tokyo, 180 Japan; F. Morishita, Kyoto University, Japan D-8

Extraction of Non-Polar Organics From Environmental Solids With Sub- andSupercritical Water. Y. Yang, S. B. Hawthorne, and D. J. Miller, University of North Dakota,Grand Forks," ND D-9

Selective Extraction of Sulfur forms from Coal by Analytical-Scale Supercritical FluidExtraction (SFE) and Pyrolysis/SFE. P. K. K. Louie, R. C. Timpe, S. B. Hawthorne and D. J.Miller, University of North Dakota, Grand Forks, ND D-10

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Inverse Supercritical Fluid Extraction in the Analysis of Polar PharmaceuticalCompounds. W. N. Moore, L. T. Taylor and D. M. Messer, Virginia Polytechnic Institute andState University, Blacksburg, VA D-ll

Liquid Collection After Modified CO2 Extraction. P. G. Thompson and L. T. Taylor,Virginia Polytechnic Institute and State University, Blacksburg, VA D-12

Characterization of Heavy Metals in Biological Samples by Supercritical Fluid Extractionwith on-line Detection by Atomic Absorption Spectrometry. J. Wang and W. D. Marshall,McGill University, Montreal, Canada D-13

High Temperature SFE for the Recovery of Hydrophobic Organic Compounds fromAncient Sediments. K. G. Furton, R. Jaffe, and C.-W. Huang, Florida International University,University Park, Miami, FL; M. A. Sicre, University of Pierre and Marie Curie, Paris, France D-14

Determination of Butyl and Phenyltin Compounds in Sediments Using In SituDerivatization, Supercritical Fluid Extraction and GC/FPD. Y. Cai and J. M. Bayona, C. I.D.-C. S. I. C , Barcelona, Spain D-15

Using Inverse Gas Chromatographic Measurements for the Optimization of CollectionConditions in Analytical SFE. S. L. Taylor, J. W. King and S. E. Abel, National Center forAgricultural Utilization Research, Agricultural Research Service, USDA, Peoria, IL D-16

Restrictor Plugging in High Temperature Off-Line Supercritical Fluid Extraction ofEnvironmental Samples: Microscopic and Spectroscopic Analyses. S. H. Page and B. A.Benner, Jr., National Institute of Standards and Technology, Gaithersburg, MD D-17

Commercial Scale-Up of SFE Processes Utilizing a Process Development Unit. R. T.Marentis, Supercritical Technology Consultants, Allentown, PA, V. McCalley, M. T. Walsh, C.P. Hasserman, Pressure Products Industries, Inc., Warminster, PA D-18

Effects of Modifier Identity and Concentration on SFE Efficiencies of EnvironmentalSamples. S. B. Hawthorne, and D. J. Miller, University of North Dakota, Grand Forks, ND; J.J. Langenfeld and J. Pawliszyn, University of Waterloo, Ontario, Canada D-19

Collection Efficiency in Off-Line SFE. M.-L. Riekkola, K. Hartonen, and Vaananen,University of Helsinki, Finland D-20

Improvement in Analyte Collection via Solvent Trapping After Supercritical FluidExtraction. C. von Hoist, Institut Fresenius, Ingelheim, Germany; G. Maio and B. W.Wenclawiak, 2Universiry of Siegen, Germany D-21

Off-Line SFE and GC/AED Method for Organotin Compounds in EnvironmentalSamples. Y. Liu, V. Lopez-Avila, and M. Alcaraz, Midwest Research Institute, Mountain View,CA; W. F. Beckert, USEPA, Las Vegas, NV D-22

Trapping Efficiencies of Three Different Solid Phase Traps in Supercritical Fluid ExtractionWith Modified Carbon Dioxide. W. J. Yoo and L. T. Taylor, Virginia Polytechnic Institute andState University, Blacksburg, VA; D.R. Gere, Hewlett Packard Co., Wilmington, DE D-23

SEC for Sample Cleanup Using Supercritical Fluids. J. W. King, S. E. Abel, and S. L. Taylor,National Center for Agricultural Utilization Research Agricultural Research Service/USDA,Peoria, IL D-24

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A New Inexpensive Supercritical Fluid Extraction Instrument. R. B. Schlake, AppliedSeparations, Inc., Allentown, PA D-25

Evaluation of Solid Phase Sorbents of the Off-line Collection of Oil and Grease and TotalPetroleum Hydrocarbons from Soil Extracted with Supercritical CO2. A. Kaziunas, AppliedSeparations, Inc., Allentown, PA D-26

Trapping Efficiencies of Solid Sorbent Traps Using Pure and Modified Supercritical CarbonDioxide. C. Thomas, L. T. Taytlor, Department of Chemistry, Virginia Polytechnic Institute andState University, Blacksburg, VA; J. Levy, A. Cardimone, Suprex Corporation, Pittsburg, PA D-27

E-Posters - SFC and SFE: Coupled Methodologies

Quantitative Analysis of Antioxidants in Polyethylene by On-Line Supercritical FluidExtraction/Chromatography. T. Tikuisis and M. Cossar, Novacor Chemicals Ltd., Calgary,Alberta Canada E-l

Determination of Carvone and Limonene in Caraway Fruits by On-Line SFE/GC. K.Kerrola, P. Alhonmaki and H. Kallio, University of Turku, FINLAND E-2

Optimization of Supercritical Fluid Extraction On-line with GC forPerfluorocarbon/Tissue Analysis. D. Song and D. H. Klein, Alliance Pharmaceutical Corp.,San Diego, CA E-3

Supercritical Fluid Extraction and Chromatography of Nylon. J. Ezzell and B. Thompson,Dionex Corporation, Smyrna, GA E-4

Supercritical Fluid Extraction with Gas Chromatographic and Mass SpectrometricDetermination in the Analysis of Regulatory Samples. D. L. Heikes, Food and DrugAdministration, Lenexa, KS E-5

An Investigation of the Reactions of Amines and Amine Derivatives with SupercriticalCO2 Using Open-Tubular Supercritical Fluid Chromatography/Mass Spectrometry. J. D.Pinkston, R. Hentschel, and C. A. Smith, The Procter and Gamble Company, Cincinnati, Ohio E-6

On-Line SFE/FTIR Using Chalcogenide Fiber Optics. D. L. Heglund, D. C. Tilotta, S. B.Hawthorne, and D. J. Miller, University of North Dakota, Grand Forks, ND E-7

Quantitation of Volatile Organics using On-Line SFE-GC with a Split/Splitless InjectionPort. M. D. Burford, S. B. Hawthorne, D. J. Miller and Y. Yang, University of North Dakota,Grand Forks, ND E-8

Extraction and Quantification of Dacron Fiber Finish Via SFE/FT-IR. S. L. Jordan and L.T. Taylor, Virginia Polytechnic Institute and State University, Blacksburg, VA, P. D. Seemuth,Dupont Company, Kingston, NC E-9

On-Line Capillary SFC/FT-IR Analysis of Triglycerides from Cheeses. M. Kaplan, G.Davidson and M. Poliakoff, University of Nottingham, UK E-10

Isolation of Trace Level Residues from Food Products using a Newly DevelopedHyphenated SFE-SPE Instrument. R.J. Maxwell, USDA, Philadelphia, PA and M. J. Fetner,Applied Separations, Inc., Allentown, PA E-l 1

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Quantitative Determination of Chemical Contaminants in Food Samples by SFE andEnzyme Immunoassay. K.-S. Nam and J. W. King, National Center for AgriculturalUtilization Research, Agricultural Research Service, USDA, Peoria, IL E-12

Application of Supercritical Fluid Extraction/Chromatography to the Production ofTaxanes as Anti-Cancer Drugs. D. M. Heaton, K. D. Bartle, C. M. Rayner, and A. A.Clifford, University of Leeds, UK E-13

F-Posters - Applications of SFE

Utilization of Liquid-Solid Disk Extraction Followed by Supercritical Fluid Elution toExtract Phenolic Priority Pollutants from Water. P. H. Tang, Technology Applications,Inc., Cincinnati, OH; J. S. Ho and J. W. Eichelberger, U. S. Environmental Protection Agency,Cincinnati, OH F-l

Fragrance Analysis from Perfumed Consumer Products: Quantitative Extraction bySupercritical Carbon Dioxide. H. Schulenberg-Schell, Hewlett-Packard GmbH, Waldbronn,Germany and F.-J Hammerschmidt, A. Bartsch, Dragoco Gerberding & Co. AG, Holziminden,Germany F-2

Supercritical Fluid Extraction of Chloropyrifos from Soils. W. A. W. Ibrahim and R. M.Smith, Loughborough University of Technology, Leicestershire, England F-3

Supercritical Fluid Extraction of Carotenoids From Tomato Paste. L. H. Tonucci, and G.R. Beecher, USDA, Beltsville, MD F-4

Selective Supercritical Fluid Extraction of Taxol from Yew Bark. l. L. Ezzell, J. M. Park,Dionex Corporation, Salt Lake City, UT; J. M. Park, Pohang Institute of Science andTechnology, Kyungbuk, Korea F-5

Pharmaceutical Sample Preparation by SFE. B. E. Richter, J. L. Ezzell, and N. L. Porter,Dionex Corporation, Salt Lake City, UT, M. A. DeCrosta, Schering-Plough Research,Kenilworth, NJ F-6

SFE as a QC Method for Fiber and Textile Finishes. M. J. Drews, K. Ivey, C. Lam and S.Feng, Clemson University, Clemson, SC F-7

Supercritical Fluid Extraction of Pesticide Residue in Food in Comparison with theSolvent Extraction. S. Hosoi, and H. Kikawa; Yokohama City Institute of Health, Yokohama-shi, Japan; M. Fujita, Foundation for Drug Research and Adverse Reaction Relief, Tokyo,Japan; T. Maeda, DDK Corporation, Tokyo, Japan F-8

Quantitative Supercritical Fluid Elution of Polyaromatic Hydrocarbons (PAH) andPolychlorinated Biphenyls (PCB) Concentrated from Water by Solid Phase Extraction(SPE). D. C. Messer and L. T. Taylor, Virginia Polytechnic Institute and State University,Blacksburg, VA F-9

SFE - a Fast and High Selective Sample Preparation Technique to Determine IrradiatedFoods (SFE-GC/FID/MSD). P. Lembke, J. Bornert, and H. Engelhardt, Universttat desSaarlandes, Saarbriicken, Germany F-10

Quantitative Total Fat Determination in Foods by Supercritical Fluid Extraction (SFE).P. Lembke, and H. Engelhardt, Universttat des Saarlandes, Saarbriicken, Germany F-l 1

Supercritical Fluid Extraction of Anabolic Steroids from Fortified Liver Tissue. A. A. M.Stolker, RrVM/ARO, Bilthoven, the Netherlands; R. J. Maxwell, O. W. Parks and A. R.Lightfield, USDA, Philadelphia, PA F-12

Optimized Determination of Plasticizers in PVC Samples by SFE. M. K. L. Bicking,ACCTA. Woodbury, MN and J. M. Levy, Suprex Corporation, Pittsburgh, PA F-l3

Quantitative Supercritical Fluid Extraction of Felodipine from a Sustained-Release TabletMatrix. A. L. Howard, M. C. Shah, D. P. Ip and M. A. Brooks, Merck Research Laboratories,West Point, PA; J. T. B. Strode HI and L. T. Taylor, Virginia Polytechnic Institute and StateUniversity, Blacksburg, VA F-14

SFE of Pirimicarb from Unspiked Soil Sample: Parameters Affecting the ExtractionEfficiency. R. Alzaga, D. Barcelo, and J. M. Bayona, CID-CSIC, Barcelona, Spain F-15

Supercritical Fluid Extraction of Cocaine from Human Hair Using CO2 Modified withWater and Triethylamine. J. F. Morrision and W. A. MacCrehan, National Institute ofStandards and Technology, Gaithersburg, MD F-16

Essential Oil Analysis of Pine Needles by GC/FID and GC/MS Using Supercritical FluidExtraction and Hydrodistillation as Sample Preparation Techniques. M.-L. Riekkola, K.Hartonen, and Vaananen, University of Helsinki, Finland F-17

Application of Supercritical Fluid Extraction to Speciate Mercury Compounds in Soil andSediment Samples. Y. Liu, V. Lopez-Avila, C. Charman, and M. Alcaraz, Midwest ResearchInstitute, Mountain View, CA; W. F. Beckert, USEPA, Las Vegas, NV F-l8

In-Situ Derivatization - SFE of Chlorophenoxy Acid Herbicides from Soil - Does It ReallyWork? V. Lopez-Avila, J. Benedicto, and C. Charan, Midwest Research Institute, MountainView, CA; W. F. Beckert, USEPA, Las Vegas, NV F-19

Monitoring City Centre Levels of Polycyclic Aromatic Hydrocarbons. A. C. Lewis, M. J.Pilling, K. D. Bartle, and D. Kupiszewska, University of Leeds, UK F-20

Supercritical Fluid Extraction of Polycyclic Aromatic Hydrocarbons, PolychlorinatedBiphenyl and Organochlorine Pesticides From Ambient Air Samples Collected On GlassFibre Filters. N. Alexandrou, E. Huang and K. Brice, Environment Canada, Downsview,Ontario, Canada F-21

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