城市污水处理厂污泥中镉的标准测定方法研究  

Research of the Standard Metiod for the Determination of Cadmium in Mud by Flame Atomic Absorption Spectrometry

作　　者：徐永利[1] 刘莉[1] 李海静[2] 

机构地区：[1]济南市排水管理处监测站,山东济南250022 [2]山东省化工研究院,山东济南250014

出　　处：《山东化工》2007年第6期32-33,共2页Shandong Chemical Industry

摘　　要：采用火焰原子吸收分光光度法测定污泥中的镉及其化合物,线性范围为0.05～1.00 mg/L,标准工作曲线为A=0.390c, 相关系数r=0.9999,镉的加标回收率95.2%～95.7%,测定结果的相对标准偏差1.30%～1.40%.Cadmium in mud was directly determined by flame atomic absorption spectrometry.The linear range was 0.05~1.00 mg/L,the linear regression equation was A=0.390c,the correlation coefficient was 0.9999,the recovery is 95.2%~95.7%,the RSD was 1.30%~1.40%.

关 键 词：镉 火焰原子吸收法 测定 

分 类 号：O657.31[理学—分析化学]