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.

引用

页码：295 / 301

页数：7

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