Airborne organochlorines in the Canadian High Arctic

被引:118
作者
Patton, G. W. [1 ]
Hinckley, D. A. [2 ]
Wallai, M. D. [1 ]
Bidleman, T. F. [1 ,2 ,3 ]
Hargrave, B. T. [4 ]
机构
[1] Univ S Carolina, Dept Chem, Columbia, SC 29208 USA
[2] Univ S Carolina, Marine Sci Program, Columbia, SC 29208 USA
[3] Univ S Carolina, Belle W Baruch Inst Marine Biol & Coastal Res, Columbia, SC 29208 USA
[4] Bedford Inst Oceanog, Dept Fisheries & Oceans, Biol Sci Branch, Dartmouth, NS B2Y 4A2, Canada
关键词
D O I
10.1111/j.1600-0889.1989.tb00304.x
中图分类号
P4 [大气科学(气象学)];
学科分类号
0706 ; 070601 ;
摘要
In 1984, the Canadian Polar Continental Shelf Project established a research camp on a floating ice island in the Beaufort Sea. The 7 x 4 km island is presently located about 50 km off Ellesmere Island at about 81 degrees N, 100 degrees W. Air samples of 140-3000 m(3) were collected on the island in August-September 1986 and June 1987, using a filter-solid adsorbent train. Organochlorines in melted snow and Arctic Ocean surface water were preconcentrated using solid adsorbent cartridges. Samples were analyzed by capillary gas chromatography with electron capture detection, and by capillary gas chromatography-mass spectrometry in the negative ion and electron impact modes. Compounds quantified included hexachlorocyclohexanes, hexachlorobenzene, polychlorinated camphenes, chlordane, polychlorinated biphenyls, and DDT compounds (given in order of relative abundance, highest to lowest). Air-sea partitioning of HCH isomers relative to their equilibrium distribution calculated from Henry's Law constants is discussed
引用
收藏
页码:243 / 255
页数:13
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