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《化学分析计量》 2019年第03期
DOI:10.3969/j.issn.1008-6145.2019.03.019
顶空气相色谱内标法测定香水中的乙醇
许菲菲,陈峰,楼佳,黄豪杰
义乌海关,国家小商品质量安全检测重点实验室,浙江义乌 322000 
Determination of ethanol in perfume by headspace gas chromatography internal standard method
XU Feifei, CHEN Feng, LOU Jia, HUANG Haojie
Yiwu Custom, National Key Laboratory of Small Commodity Quality and Safety Testing, Yiwu 322000, China 
摘要:建立顶空气相色谱(HS-GC) 内标法快速测定香水中的乙醇含量。香水用NN-二甲基甲酰胺(DMF) 溶解后,用强极性的DB-624 毛细管色谱柱分离,FID 检测器进行检测,内标法定量。香水中乙醇的质量浓度在40~80g/L 范围内与其色谱峰面积呈良好的线性关系,相关系数为0.999 6,方法定量限为0.01 g/L。测定结果的相对标准偏差为3.1%(n=6),在5~20 g/L 添加水平范围内,样品的平均加标回收率为99.4%~101.1%。该方法简单、快速,结果准确可靠,适用于香水中乙醇含量的测定。 
Abstract:A method for the determination of ethanol content in perfume by headspace gas chromatography(HS- GC) internal standard method was established. The perfume was dissolved by N, N-dimethylformamide, then seprtated by strong polarity DB-624 capillary chromatography column, detected by FID detector and calculated by internal standard method. The concentration of ethanol in perfume had good linear relationship with the chromatographic peak area in the range of 40-80 g/L, the correlation coefficient was 0.999 6, and the detection limit was 0.01 g/L. The relative standard deviation of determination results was 3.1%(n=6). Within the range of 5-20 g/L addition level, the average recovery of samples were 99.4%-101.1%. The method is simple, rapid, accurate and reliable, which is suitable for the determination of ethanol in perfume. 
关键词:顶空气相色谱;内标法;香水;乙醇 
Keywords:headspace gas chromatography; internal standard method; perfume; ethanol 
本文引用格式:
许菲菲,陈峰,楼佳,等. 顶空气相色谱内标法测定香水中的乙醇[J]. 化学分析计量,2019,28(3):78-80.
XU F F,CHEN F,LOU J,et al. Determination of ethanol in perfume by headspace gas chromatography internal standard method[J].Chemical analysis and meterage,2019,28(3):78-80. 

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