SUPERCRITICAL FLUID EXTRACTION FOR THE DETERMINATION OF PCDDS AND PCDFS IN SOIL

被引：18

作者：

DEROOS, FL

BICKING, MKL

机构：

[1] Twin City Testing Corporation, St. Paul, MN 55114

来源：

CHEMOSPHERE | 1990年 / 20卷 / 10-12期

关键词：

Environmental analysis; Polychlorinated dibenzo-p-dioxins; Polychlorinated dibenzofurans; Supercritical fluid extraction (SFE);

D O I：

10.1016/0045-6535(90)90284-Z

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Supercritical fluid extraction (SFE) was evaluated as an alternative procedure to conventional solvent extraction for the determination of polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs) from soil. High recoveries were obtained for all spiked compounds, representing levels of chlorination from tetrathrough octachloro congeners. A comparison of SFE with conventional solvent extraction using a soil known to contain dioxins indicated that the levels obtained by SFE were approximately 30-50 percent of the levels observed using Soxhlet techniques. Although additional optimization is necessary, the preliminary data indicate that SFE could be a viable alternative to solvent extraction. © 1990.

引用

页码：1355 / 1361

页数：7

共 3 条

[1] SUPERCRITICAL FLUID EXTRACTION FOR THE RAPID-DETERMINATION OF POLYCHLORINATED DIBENZO-PARA-DIOXINS AND DIBENZOFURANS IN MUNICIPAL INCINERATOR FLY-ASH [J].