摘要
对地表水中痕量铅的原子荧光法和石墨炉原子吸收分光光度法进行了对比分析。通过方法线性范围、准确度、精密度、方法检出限的测定对比,结果表明,原子荧光法标准曲线在0~50μg/L内线性良好,相关系数为0.9999,检出限为0.07μg/L,精密度为0.88%~1.15%,加标回收率为96.5%~103%;石墨炉原子吸收分光光度法标准曲线在0~40μg/L内线性良好,相关系数为0.9995,检出限为0.38μg/L,精密度为1.95%~2.11%,加标回收率为96.0%~106%。经统计学检验,两方法无显著差异。
This article compared and analyzed the two kinds of determination methods of total mercury in soil,through results of the detection limit,precision,accuracy and the recovery of standard addition.The results showed that the standard curve has good linearity in the range of 0~50μg/L,while the detection limit was 0.07μg/L,the precision was 0.88%~1.15%,the recovery of standard addition was 96.5%~103%by Atomic Fluorescence Spectrometry.The standard curve has good linearity in the range of 0~40μg/L,while the detection limit was 0.38μg/L,the precision was 1.95%~2.11%,the recovery of standard addition was 96.0%~106%by Graphite furnace atomic absorption spectrophotometry(GF-AAS).Statistical test shows that there is no significant difference between the two methods.
作者
孙仓
Sun Cang(Liaoning Provincial Ecology Environment Monitoring Center,Shenyang 110161,China)
出处
《环境科学与管理》
CAS
2020年第5期90-93,共4页
Environmental Science and Management
关键词
地表水
铅
原子荧光法
石墨炉原子吸收分光光度法
对比
water
lead
atomic fluorescence method
graphite furnace atomic absorption spectrophotometry
comparison and analysis
作者简介
孙仓(1981-),男,硕士研究生,高级工程师,主要从事环境监测分析与管理工作。
