A method for analysing polycyclic aromatic hydrocarbons (PAHS) in plant samples

被引：15
|
作者：
Kaupp, H
Sklorz, M
机构：
[1] Dept. of Ecol. Chem. and Geochem., University of Bayreuth
来源：
CHEMOSPHERE | 1996年 / 32卷 / 05期
关键词：
D O I：
10.1016/0045-6535(95)00368-1
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A method was developed for the cleanup of maize samples prior to PAH analysis. The cleanup consists of two steps: (1) gel permeation chromatograpy on a porous styrene/divinylbenzene copolymer (Bio Beads SX8, Bio Rad Laboratories) and (2) further cleanup on silica gel. Quantification was performed with high resolution gas chromatography/high resolution mass spectrometry (HRGC/HRMS) using deuterated internal standards. The recoveries for a C-12-PAH standard mixture of 14 compouds (n=3) were approximately 100% exept for Perylene and Indeno(1,2,3-cd)pyrene. The analysis of three samples of maize leaves, each in parallel, gave highly reproducible results. In no case were interferences during the HRGC/HRMS measurements observed. The cleanup method is therefore regarded as very effective, reproducible, relatively inexpensive and sufficiently fast.
引用
收藏
页码：849 / 854
页数：6
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