Comparison of extraction techniques for gas chromatographic determination of volatile carhonyl compounds in alcohols

被引：19
|
作者：
Wardencki, W [1 ]
Orlita, J [1 ]
Namiesnik, J [1 ]
机构：
[1] Gdansk Univ Technol, Fac Chem, Dept Analyt Chem, PL-80952 Gdansk, Poland
来源：
FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY | 2001年 / 369卷 / 7-8期
关键词：
D O I：
10.1007/s002160100738
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Two extraction procedures, i.e. conventional liquid-liquid extraction (LLE) and liquid solid-phase microextraction (SPME) for extraction of the oximes formed after derivatization of carbonyl compounds with omicron-(2,3, 4,5,6-pentafluorobenzyl) hydroxylamine (PFBHA) in alcoholic solutions have been compared. The limit of detection for LLE followed by GC-ECD determination of C-1-C-6 was in the range of 0.23-3.3 mug/L, whereas for liquid SPME 0.005-0.33 mug/L. Both methods elaborated can be applied to the determination of carbonyl compounds present in spirits and alcoholic beverages.
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页码：661 / 665
页数：5
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