SUPERCRITICAL-FLUID EXTRACTION IN ENVIRONMENTAL-ANALYSIS

被引:158
作者
BOWADT, S [1 ]
HAWTHORNE, SB [1 ]
机构
[1] UNIV N DAKOTA, ENERGY & ENVIRONM RES CTR, GRAND FORKS, ND 58202 USA
关键词
D O I
10.1016/0021-9673(95)00051-N
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
This review focuses on recent attempts to understand the SFE process and on applications of that understanding to increase SFE recoveries of pollutants from environmental solids. Methods to decrease restrictor plugging and to increase the collection efficiencies of extracted analytes are evaluated. Approaches to obtain quantitative extractions include fluid choice, extraction flow-rate, modifiers, pressure and temperature are presented as is the potential for SFE to extract ionic organics and metals. Finally, the need for a better definition of ''quantitative'' extraction and the use of SFE in certification exercises for complex environmental samples is discussed.
引用
收藏
页码:549 / 571
页数:23
相关论文
共 108 条
  • [1] CLEANUP OF COMPLEX ORGANIC MIXTURES USING SUPERCRITICAL FLUIDS AND SELECTIVE ADSORBENTS
    ALEXANDROU, N
    LAWRENCE, MJ
    PAWLISZYN, J
    [J]. ANALYTICAL CHEMISTRY, 1992, 64 (03) : 301 - 311
  • [2] SUPERCRITICAL FLUID EXTRACTION FOR THE RAPID-DETERMINATION OF POLYCHLORINATED DIBENZO-PARA-DIOXINS AND DIBENZOFURANS IN MUNICIPAL INCINERATOR FLY-ASH
    ALEXANDROU, N
    PAWLISZYN, J
    [J]. ANALYTICAL CHEMISTRY, 1989, 61 (24) : 2770 - 2776
  • [3] [Anonymous], 1991, SUPERCRITICAL FLUID
  • [4] CRYOGENICALLY COOLED ADSORBENT TRAP FOR OFF-LINE SUPERCRITICAL FLUID EXTRACTION
    ASHRAFKHORASSANI, M
    HOUCK, RK
    LEVY, JM
    [J]. JOURNAL OF CHROMATOGRAPHIC SCIENCE, 1992, 30 (09) : 361 - 366
  • [5] SUPERCRITICAL-FLUID EXTRACTION OF POLYCHLORINATED-BIPHENYLS FROM LYOPHILIZED FISH TISSUE
    BOWADT, S
    JOHANSSON, B
    FRUEKILDE, P
    HANSEN, M
    ZILLI, D
    LARSEN, B
    DEBOER, J
    [J]. JOURNAL OF CHROMATOGRAPHY A, 1994, 675 (1-2) : 189 - 204
  • [6] Bowadt S., 1993, Journal of Trace and Microprobe Techniques, V11, P117
  • [7] ANALYSIS OF PCBS IN SULFUR-CONTAINING SEDIMENTS BY OFF-LINE SUPERCRITICAL-FLUID EXTRACTION AND HRGC-ECD
    BOWADT, S
    JOHANSSON, B
    [J]. ANALYTICAL CHEMISTRY, 1994, 66 (05) : 667 - 673
  • [8] SOLID-PHASE TRAPPING OF POLYCHLORINATED-BIPHENYLS IN SUPERCRITICAL-FLUID EXTRACTION
    BOWADT, S
    JOHANSSON, B
    PELUSIO, F
    LARSEN, BR
    ROVIDA, C
    [J]. JOURNAL OF CHROMATOGRAPHY A, 1994, 662 (02) : 424 - 433
  • [9] BOWADT S, UNPUB ANAL CHEM
  • [10] EXTRACTION RATES OF SPIKED VERSUS NATIVE PAHS FROM HETEROGENEOUS ENVIRONMENTAL-SAMPLES USING SUPERCRITICAL-FLUID EXTRACTION AND SONICATION IN METHYLENE-CHLORIDE
    BURFORD, MD
    HAWTHORNE, SB
    MILLER, DJ
    [J]. ANALYTICAL CHEMISTRY, 1993, 65 (11) : 1497 - 1505