摘要
通过研究分光光度法测定焚烧飞灰中总砷含量的过程可知,该方法测量不确定度的主要来源包括:由回归方程计算砷的质量引入的不确定度,样品稀释引入的不确定度,飞灰质量测定引入的不确定度以及重复性测量引入的不确定度。对不确定度分量进行了计算,分光光度计测量飞灰中砷含量的结果表示为(11.15±2.36)%(k=2)。
Detection of arsenic in incineration fly ash by spectrophotometry was studied.Sources of measurement uncertainty mainly included the calculation of arsenic from line curve,dilution of samples,determition of fly ash mass and repeatability of determination.The components of uncertainty were calculated.The detection results of total arsenic was(11.15±2.36)%(k=2).
出处
《化学分析计量》
CAS
2009年第1期8-10,共3页
Chemical Analysis And Meterage
关键词
焚烧飞灰
总砷
测量不确定度
分光光度法
uncertainty of maesurement
incineration fly ash
total arsenic
spectrophotometry
