Comparison of supercritical fluid extraction and Soxhlet extraction of organic compounds from carpet samples

被引:6
作者
Bowyer, JR [1 ]
Pleil, JD [1 ]
机构
[1] US EPA,NATL EXPOSURE RES LAB,RES TRIANGLE PK,NC 27711
关键词
extraction methods; carpet; alkanes; phenylcyclohexenes;
D O I
10.1016/S0021-9673(97)00624-9
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
Supercritical fluid extraction (SFE) and Soxhlet extraction were applied to a common set of samples to determine their relative efficiencies for the measurement of a variety of organic compounds and their comparability as laboratory techniques. For this test, a variety of carpet samples were extracted by both SFE and Soxhlet methods and the extraction solutions were analyzed via gas chromatography/mass spectrometry. The results relative to an internal standard spike were then compared statistically by their relative standard deviations, an F-test for precision, and their averages within a 95% confidence level. Compounds of possible environmental exposure concern were used as some of the selected compounds for comparison. (C) 1997 Elsevier Science B.V.
引用
收藏
页码:171 / 179
页数:9
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