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气相色谱内标法测定双甲脒溶液含量的不确定度评定
董玲玲,杨秀玉
0
(中国兽医药品监察所)
摘要:
建立了气相色谱内标法测定双甲脒溶液的含量不确定度的评定方法。利用数学模型分析不确定度的来源,并对各分量进行计算,最后得到测定 结果的不确定度报告。本实验的测定结果不确定度为(105.9±2.4)%,影响不确定度的主要因素为内标的加入及重复测量。
关键词:  双甲脒;不确定度  气相色谱内标法
DOI:10.11751/ISSN.1002-1280.2017.5.07
投稿时间:2016-06-27修订日期:2017-03-29
基金项目:
Evaluation of Uncertainty of Determination of Amitraz solution by the GC internal standard method
(China Institute of Veterinary Drug Control)
Abstract:
To evaluate the uncertainty of determination of Amitraz solution by the GC internal standard method, a mathematical model was established and the sources of uncertainty were analyzed and evaluated during the whole determination procedure. Finally the expanded uncertainty was calculated and the result of content determination can be expressed as (105.9±2.4)%.It showed that the main sources of measurement uncertainty came from the addition of internal standard and measurement repeatability.
Key words:  amitraz  uncertainty  GC internal standard method

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