Needle concentrator for gas chromatographic determination of BTEX in aqueous samples

被引：49
作者：
Kubinec, R
Berezkin, VG
Górová, R
Addová, G
Mracnová, H
Soják, L
机构：
[1] Comenius Univ, Inst Chem, Fac Nat Sci, SK-84215 Bratislava, Slovakia
[2] Russian Acad Sci, AV Topchiev Petrochem Synth Inst, Moscow 119991, Russia
来源：
JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES | 2004年 / 800卷 / 1-2期
关键词：
needle concentrator; benzene; toluene; ethylbenzene; xylene;
D O I：
10.1016/j.jchromb.2003.09.009
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
A simple method of solventless extraction of volatile organic compounds (BTEX) from aqueous samples was developed and validated. A new arrangement of the full volume inside needle capillary adsorption trap (INCAT) device with Porapak Q as a sorbent material and wet alumina as a source of desorptive water vapour flow in a closed analytical system is presented. The analytical characteristics of developed device and of compared purge-and-trap (PTI) device for BTEX compounds are similar; the limits of detection as well as quantification are lower than 1 mug l(-1). (C) 2003 Elsevier B.V. All rights reserved.
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收藏
页码：295 / 301
页数：7
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