Nonlinear standard addition method in the determination of dimethyl sulfide in beer by headspace gas chromatography

被引:1
|
作者
Wu, ZY [1 ]
Zhou, JK [1 ]
机构
[1] Univ Hebei, Res Ctr Phys & Chem Anal, Baoding 071002, Hebei, Peoples R China
关键词
standard addition method; nonlinear regression; headspace gas chromatography; dimethyl sulfide (DMS);
D O I
10.1080/00032719908542998
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Nonlinear standard addition method was studied for determination of DMS in beer with a laboratory-assembled headspace gas chromatographic system with flame photometric detector. The sample concentration and the detector response exponent can be obtained simultaneously without preparation of the blank sample, and the reliability of the results can be evaluated by the self-integrity of the data. The method introduced here is easier to carry out and more cost-effective.
引用
收藏
页码:2691 / 2701
页数:11
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