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高效液相色谱法测定PTA中4-CBA含量不确定度的评估
引用本文:刘殿丽,刘永勇,赵子仪,李华文.高效液相色谱法测定PTA中4-CBA含量不确定度的评估[J].聚酯工业,2011,24(4):23-25.
作者姓名:刘殿丽  刘永勇  赵子仪  李华文
作者单位:中油辽阳石化公司,辽宁辽阳,111003
摘    要:介绍了不确定度评估的通用方法和基本概念。研究了高效液相色谱法测定PTA中4-CBA含量测定的不确定度测量方法。测得PTA样品中4-CBA含量,当包含因子k=2时,其测定结果和不确定度为(21.59±0.73)mg/kg。

关 键 词:PTA  4-CBA  不确定度

Evaluation of uncertainty of determination the 4-CBA content in PTA by high performance liquid chromatography
LIU Dian-li,LIU Yong-yong,ZHAO Zi-yi,LI Hua-wen.Evaluation of uncertainty of determination the 4-CBA content in PTA by high performance liquid chromatography[J].Polyester Industry,2011,24(4):23-25.
Authors:LIU Dian-li  LIU Yong-yong  ZHAO Zi-yi  LI Hua-wen
Affiliation:LIU Dian-li,LIU Yong-yong,ZHAO Zi-yi,LI Hua-wen(CNPC Liaoyang Petrochemical Company Aromatic plant,Liaoyang 111003,China)
Abstract:The general method and basic concept of uncertainty evaluation was introduced.The uncertainty measuring methods of determination the 4-CBA in PTA by HPLC were studied.When(coverage factor) K=2,the testing result and uncertainty of the content of 4-CBA in PTA is(21.59±0.73) mg/kg.
Keywords:PTA  4-CBA  uncertainty  
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