GC-MS外标法测定邻苯二甲酸二正丁酯含量的不确定度评定  

Evaluation of Uncertainty in Determination of Dibutyl Phthalate by GC-MS External Standard Method

作　　者：赵毅 赵君楠 王滢 任青考 周洋 ZHAO Yi;ZHAO Jun-nan;WANG Ying;REN Qing-kao;ZHOU Yang(Engineering Technology Institute Co.,Ltd.of CNSIG,Tianjin 300450,China)

机构地区：[1]中盐工程技术研究院有限公司,天津300450

出　　处：《盐科学与化工》2022年第8期17-20,共4页Journal of Salt Science and Chemical Industry

摘　　要：运用GC-MS对邻苯二甲酸二正丁酯含量测定,结合《测量不确定度评定与表示》计量技术规范,对该检测方法全过程进行测量模型建立、不确定度输入量计算、不确定度评估。结果表明检测过程中标准曲线配制及样品前处理是影响检测结果的关键环节。Using GC-MS to determine the content of dibutyl phthalate,combined with the measurement technical specification"Evaluation and Expression of Uncertainty in Measurement",we established measurement model,input quantity calculation,uncertainty evaluation for the whole process of the detection method.The results showed that the preparation of standard curve and sample pretreatment are the key factors affecting the detection results.

关 键 词：塑化剂 不确定度评估 测量模型 

分 类 号：TQ075[化学工程]