有证煤灰熔融性标准物质有关问题探讨  

Discussion on the problems of certified ash fusibility reference materials

作　　者：杨华玉[1,2,3] 

机构地区：[1]国家煤炭质量监督检验中心,北京100013 [2]煤炭科学技术研究院有限公司检测中心,北京100013 [3]煤炭资源高效开采与洁净利用国家重点实验室,北京100013

出　　处：《煤质技术》2015年第4期14-15,23,共3页Coal Quality Technology

摘　　要：介绍了煤灰熔融性标准物质的认定值和不确定度的确定方法,从标准物质的使用前准备、用于测定气氛检查和评定测定结果的准确性等方面探讨了煤灰熔融性标准物质的正确使用,总结了煤灰熔融性标准物质在实验室日常检查灰熔融性测定气氛和测定结果准确性需注意的问题,以防止该标准物质的错误应用。The determination method of certified value and uncertainty of the certified ash fusibility reference material was introduced in this paper.Proper use of ash fusibility reference materials was discussed from aspects such as preparation of certified reference materials,determination of atmosphere and accuracy assessing of determination results.The problems need to be paid attention when using the ash fusibility reference materials to check the ash melting atmosphere and accuracy of tests were summarized,in order to prevent the wrong application of standard material.

关 键 词：煤灰熔融性 有证标准物质 不确定度 封碳法 测定气氛 

分 类 号：TQ533[化学工程—煤化学工程]