艾士卡法测定煤中氯含量不确定度评定  

Evaluation of uncertainty of the chlorine content determination in coal using Eschka method

作　　者：赵琰[1] 魏宁[1] 

机构地区：[1]国家煤炭质量监督检验中心(西安),陕西西安710054

出　　处：《煤质技术》2015年第4期29-33,共5页Coal Quality Technology

摘　　要：对GB/T 3558—2014《煤中氯的测定方法》中艾氏卡混合剂熔样一硫氰酸钾滴定法测定煤中氯测定结果的不确定度进行评定,通过对影响煤中氯含量测定结果的不确定度分量进行分析和量化,探讨了测量结果不确定度的计算方法,并提出了改进实验方法的相应建议。In this paper,evaluation of uncertainty of results of chlorine content determination in GB/T 3558—2014 Determination of the chlorine in coal using Eschka mixing reagent melting sample—potassium rhodanate titration method was done,through analysis and quantization of uncertainty component which affected the chlorine content determination,calculating method of uncertainty was discussed,and as well as the suggestions for experimental method improving.

关 键 词：不确定度评定 艾士卡法 煤 氯 测定方法 

分 类 号：TQ533[化学工程—煤化学工程]