AUTOMATED CLEANUP PROCEDURE FOR THE GAS CHROMATOGRAPHIC-HIGH-RESOLUTION MASS-SPECTROMETRIC DETERMINATION OF POLYCHLORINATED DIBENZO-P-DIOXINS AND DIBENZOFURANS IN MILK

被引：11
作者：
VANRHIJN, JA [1 ]
TRAAG, WA [1 ]
KULIK, W [1 ]
TUINSTRA, LGMT [1 ]
机构：
[1] STATE INST QUAL CONTROL AGR PROD,BORNESTEEG 45,6708 PD WAGENINGEN,NETHERLANDS
来源：
JOURNAL OF CHROMATOGRAPHY | 1992年 / 595卷 / 1-2期
关键词：
D O I：
10.1016/0021-9673(92)85171-O
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A highly automated extraction and clean-up method for polychlorinated dibenzodioxins and polychlorinated dibenzofurans is described. The method includes the use of gel permeation chromatography, alumina clean-up and porous graphitized carbon chromatography, followed by analysis by gas chromatography high-resolution mass spectrometry. The procedure allows for the analysis of six milk samples per day in addition to two quality control samples and a blank. Detection limits on a fat basis for the individual congeners in milk samples are in the sub-ppt range. Long-term performance was investigated and data are given for reproducibility, precision and accuracy.
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页码：289 / 299
页数：11
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