期刊
CHINESE SCIENCE BULLETIN
卷 51, 期 13, 页码 1648-1651出版社
SCIENCE CHINA PRESS
DOI: 10.1007/s11434-006-2020-5
关键词
HS-SPME; GC-MS; nitrobenzene; benzene; aniline
A headspace solid phase microextraction coupled with gas chromatography mass spectrometry (HS-SPME/GC-MS) method was established for analyzing nitrobenzene, benzene and aniline in environmental water samples simultaneously. Factors affecting extraction efficiency (SPME fiber selection, acidity, temperature, salt addition, extraction time, headspace, etc) were verified. Under optimal extraction conditions, the detection limits are 0.50, 0.11 and 1.00 mu g/L for nitrobenzene, benzene and aniline, respectively. The results indicate that this method is capable of making sensitive and accuracy analyses on nitrobenzene, benzene and aniline in environmental water samples.
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