摘要
文章采用硝酸-盐酸混合试剂热消解,氢化物发生原子荧光法-定绿色食品产地土壤中总砷。方法的检出限为0.0107mg/kg,相对标准偏差为1.4%,加标回收率为97.8%~102%之间。
s: This article uses nitric acid-muriatic acid extender to clear up and HG-AFS method to mensurate As in green food producing area soil.The limit of this method is 0.0107mg/kg,relative standard windage is 1.4%,the rate of callback is 97.8%-102%
出处
《北方环境》
2005年第2期75-76,共2页
North Environment