内标法和外标法测定浓香型白酒中甲醇含量的比较分析  

Internal Standard Law and in External Standard Law Determination Rich Fragrance White Liquor Methyl Alcohol Content Comparative Analysis

作　　者：刘楚楚[1] 王超[1] 王录[1,2] LIU Chuchu WANG Chao WANG Lu(Anhui Gujing Group Co. Ltd., Bozhou 236820, Anhui, China Anhui Engineering Technology Research Center for Solid-state Fermentation, Bozhou 236820, Anhui, China)

机构地区：[1]安徽古井贡酒股份有限公司,安徽亳州236820 [2]安徽省固态发酵工程技术研究中心,安徽亳州236820

出　　处：《酿酒》2017年第4期65-67,共3页Liquor Making

摘　　要：比较内标定量法和外标定量法在测定浓香型白酒中甲醇含量的差异。运用气相色谱法对白酒样品进行分析,然后分别采用内标法和外标法计算其甲醇含量。结果显示两种方法之间无显著性差异,均能满足检测要求。分析人员可根据实际情况使用相应的定量方式。Demarcates the mensuration compared with in and outside demarcates the mensuration in the determination rich fragrance white liquor the methyl alcohol content difference.Carries on the analysis using the gas phase chromatography to the white liquor sample, then uses the internal standard law and the external standard law separately calculates its methyl alcohol content.The result showed between two methods the non-significance difference, can satisfy the examination request.The analysis staff may act according to the actual situation use corresponding quota way.

关 键 词：甲醇 气相色谱仪 内标法 外标法 

分 类 号：TS262.31[轻工技术与工程—发酵工程] TS207.3[轻工技术与工程—食品科学与工程]