期刊
JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES
卷 800, 期 1-2, 页码 295-301出版社
ELSEVIER
DOI: 10.1016/j.jchromb.2003.09.009
关键词
needle concentrator; benzene; toluene; ethylbenzene; xylene
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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