摘要
采用AMA254汞分析仪测定大气颗粒物和煤中的痕量总汞，建立了直接测定颗粒物中痕量总汞的分析方法。测定结果表明，在汞绝对含量为0～35ng范围内线性良好，测定大气颗粒物和煤中的痕量总汞的检出限分别为0．06ng／m^3和0．02ng／g，标准样品测定的RSD≤0．78％，加标回收率为92％～108％。该方法具有无需消解直接进样测定、极其简便、省时等特点，适合多种固体样品中痕量汞的测定。
A novel method for determination of !race mercury in particulate matter by AMA254 Mercury Analyzer with direct sampling was established. The results showed the good linearity was achieved in the rang from 0ng to 35ng of total mercury absolute content, the detection limit of atmosphe.ric particulate and coal were 0.06ng/m^3 和 0.02ng/g separately, RSD of standard sample ≤ 0.78%, recoveries were between 92% - 108%. The experiment results show that the assay was with high sensitivity, stability and selectivity. The method is simple rapid and timesaving, and is suited to the direct determination of total mercury in variety solid sample.
出处
《中国环境监测》
CAS
CSCD
北大核心
2009年第4期26-29,共4页
Environmental Monitoring in China
基金
中美国际合作、中国环境健康项目(USAID Coop Agreement NO.486-A-00-06-00014-00)
安徽省2007年国际科技合作计划项目(07080703003)
