煤的干基灰分测量不确定度的评定与分析  

Evaluation and analysis of uncertainty in determination of dry basis ash yield of coal

作　　者：贾军萍 

机构地区：[1]山西省煤炭工业局综合测试中心,山西太原030045

出　　处：《煤质技术》2012年第5期38-41,共4页Coal Quality Technology

摘　　要：依据GB/T 212—2008《煤的工业分析方法》对煤的干基灰分进行测定,基于JJF 1059—1999《测量不确定度评定与表示》对影响煤的干基灰分测量不确定度的各分量进行分析,并对各分量的标准不确定度进行计算和合成。通过比较各分量的标准不确定度,得出了影响干基灰分测量不确定度的主要因素。In this paper, the dry basis ash of coal was determined in accordance with GB/T 212--2008 Proximate analysis of coal. According to JJF 1059--1999 Evaluation and Expression of Uncertainty in Measurement, each component of affecting the uncertainty in determination was analyzed and the standard uncertainty of each component was calculated and synthesized. And then the main influencing factors on uncertainty in determination of dry basis ash of coal were obtained by comparing the standard uncertainty of each component.

关 键 词：煤炭 干基灰分 测量不确定度 评定 分析 

分 类 号：TQ533.2[化学工程—煤化学工程]