Determination of Polar Volatile Organic Compounds in Water by Membrane Permeate and Trap GC-MS
A novel approach is presented combining semipermeable membranes with the accepted purge and trap gas chromatography-mass spectrometry (GC-MS) technology to produce a method of selectively extracting polar, volatile organic compounds from water, particularly those compounds not amenable to purge and...
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| Veröffentlicht in: | Journal of chromatographic science 1993-07, Vol.31 (7), p.279-284 |
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| container_end_page | 284 |
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| container_title | Journal of chromatographic science |
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| creator | Shoemaker, J.A. Bellar, T.A. Eichelberger, J.W. Budde, W.L. |
| description | A novel approach is presented combining semipermeable membranes with the accepted purge and trap gas chromatography-mass spectrometry (GC-MS) technology to produce a method of selectively extracting polar, volatile organic compounds from water, particularly those compounds not amenable to purge and trap GC. The flat-sheet, semipermeable membrane is positioned between the two Plexiglas plates of a dialyzer. In the groove of one plate, the water sample is pumped over the membrane. In the groove of the second plate, helium sweeps the permeated compounds onto the top of a trap (Tenax, Tekmar; Cincinnati, OH). After suitable permeation time, the analytes are desorbed from the trap into a capillary column GC-MS system. Preliminary experiments show the ability to detect analytes such as 2-propanol, 2-methyl-1-propanol, and 1,4-dioxane at concentrations |
| doi_str_mv | 10.1093/chromsci/31.7.279 |
| format | Article |
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| ispartof | Journal of chromatographic science, 1993-07, Vol.31 (7), p.279-284 |
| issn | 0021-9665 1945-239X |
| language | eng |
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| source | Oxford University Press Journals Digital Archive Legacy |
| subjects | Analytical chemistry Chemistry Chromatographic methods and physical methods associated with chromatography Exact sciences and technology Gas chromatographic methods |
| title | Determination of Polar Volatile Organic Compounds in Water by Membrane Permeate and Trap GC-MS |
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