关于煤灰成分测定的影响因素探讨  

Discussion on influencing factors on determination of coal ash

作　　者：张珍[1] 魏宁[1] 李侃社[2] 杨再文[2] 

机构地区：[1]国家煤炭质量监督检验中心(西安),陕西西安710054 [2]西安科技大学化学与化工学院,陕西西安710054

出　　处：《煤质技术》2013年第6期32-35,共4页Coal Quality Technology

摘　　要：通过测定标准煤样的灰成分并对其测定结果进行统计分析,阐述了影响煤灰成分测定结果准确性的主要因素,分析了采用重量分析法、滴定分析法、分光光度法测定煤灰成分时易产生测定偏差的原因。Through determination of coal ash for reference samples,the testing results were statistically analyzed and compared with the standard value.The influencing factors which affected testing results of coal ash composition were demonstrated,as well as the reasons that caused deviation and their solutions.

关 键 词：煤灰成分 测定结果 影响因素 偏差 

分 类 号：TQ533[化学工程—煤化学工程]