GC-FID内标法测定浓香型白酒四大酯含量不确定度的评定VIP专享

刊物期号： 202402 GC-FID 内标法测定浓香型白酒四大酯含量不确定度的评定作者： 张志刚，向双全地址：甘肃徽县金徽酒业集团公司,甘肃 陇南 邮编：742308 摘要： 根据本公司对浓香型白酒四大酯的气相色谱分析方法，依据 JJF1059—1999[1]对四大酯气相色谱定量分析过程的不确定度来源进行分析，建立了其测量结果不确定度的数学模型，并分别对四大酯的不确定度进行了评定和合成，最终得到测量结果在 95 %置信区间下的扩展不确定度。结果表明,该法对浓香型白酒四大酯的测定结果准确度高，符合 ISO/IEC17025 对检测实验室的要求[2]，达到国家相关标准的规定要求。 关键词： 气相色谱； 浓香型白酒； 四大酯； 不确定度； 评定 中图分类号： TS262.31；TS261.7；O657.7 文献标识码： A 文章编号： 1001－9286（2024）02－0103－05 英文标题： Evaluation on the Uncertainty in Measuring Four Main Esters Content in Luzhou-flavor Liquor by GC Using Internal Standard Method英文作者： ZHANG Zhigang and XIANG Shuangquan英文地址： Jinhui Liquor Industry Co.Ltd., Longnan, Gansu 742308, China英文摘要： GC analytical method by using internal standard method was applied in our company for measuring four main esters content in Luzhou-flavor liquor. The uncertainty source in measuring process was analyzed based on JJF1059-1999 and the mathematical model of the uncertainty of measurement results had been established. Then the evaluation and the synthesis of the uncertainty of four main esters were carried out respectively and the expanded uncertainty at 95% confidence intervals of measurement results was finally obtained. The results suggested that such method had precise measurement results and it met ISO/IEC17025 lab requirements and relative national requirements. (Tran. by YUE Yang) 英文关键词：GC; Luzhou-flavor liquor; four main esters; uncertainty; evaluation 气相色谱内标法测定浓香型白酒四大酯含量不确定度的评定张志刚 向双全 （甘肃徽县金徽酒业集团公司 甘肃 陇南 742308）...