| Abstract: | Vapor pressures for nonpolar and moderately polar organochlorine, pyrethroid, and organophosphate insecticides, phthalate esters, and organophosphate flame retardants were determined by capillary gas chromatography (GC). Organochlorines and polycyclic aromatic hydrocarbons with known liquid-phase vapor pressures (P??L) (standard compounds) were chromatographed along with two reference compounds n-C20 (elcosane) and p,p???-DDT on a 1.0-m-long poly(dimethylsiloxane) bonded-phase (BP-1) column to determine their vapor pressures by GC (P??GC). A plot of log P??L vs log P??GC for standard compounds was made to establish a correlation between measured and literature values, and this correlation was then used to compute P??L of test compounds from their measured P??GC. P??L of seven major components of technical chlordane, endosulfan and its metabolites, ??-hexachlorocyclohexane, mirex, and two components of technical toxaphene were determined by GC. This method provides vapor pressures within a factor of 2 of average literature values for nonpolar compounds, similar to reported interlaboratory precisions of vapor pressure determinations. GC tends to overestimate vapor pressures of moderately polar compounds. ?? 1990 American Chemical Society. |
| Genre: | Article |
| ProdID: | 70015746 |
| Citation Author: | Hinckley, D. A.; Bidleman, T. F.; Foreman, W. T.; Tuschall, J. R. |
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| Citation End Page: | 237 |
| Citation Issue: | 3 |
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| Citation Language: | English |
| Citation Larger Work Title: | Journal of Chemical and Engineering Data |
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| Citation Number Of Pages: | 6 |
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| Citation Publisher: | American Chemical Society |
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| Citation Search Results Text: | Determination of vapor pressures for nonpolar and semipolar organic compounds from gas chromatographic retention data; 1990; Article; Journal; Journal of Chemical and Engineering Data; Hinckley, D. A.; Bidleman, T. F.; Foreman, W. T.; Tuschall, J. R. |
| Citation Start Page: | 232 |
| Citation Volume: | 35 |
| Citation Year: | 1990 |
| Type: | citation/reference |
| Text: | Determination of vapor pressures for nonpolar and semipolar organic compounds from gas chromatographic retention data; 1990; Article; Journal; Journal of Chemical and Engineering Data; Hinckley, D. A.; Bidleman, T. F.; Foreman, W. T.; Tuschall, J. R. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| URL (DIGITAL OBJECT IDENTIFIER): | http://dx.doi.org/10.1021/je00061a003 |
| Date Other: | Mon, 1 Jan 1990 00:00 -0600 |
| Publisher: | American Chemical Society |
