KI-MIBK萃取法测定聚氯化铝中的铅含量  

Determination of Lead in Polyaluminum Chloride by KI-MIBK Extraction

作　　者：韩晓刚 蔡建刚 穆金鑫 张雨哲 韩鑫琪 王一鸣 HAN Xiao-gang;CAI Jian-gang;MU Jin-xin;ZHANG Yu-zhe;HAN Xin-qi;WANG Yi-ming(Changzhou Qingliu Environmental Protection Technology Co.Ltd.,Changzhou 213144,China;Department of Environmental&Safety Engineering,Changzhou University,Changzhou 213144,China)

机构地区：[1]常州清流环保科技有限公司,江苏常州213144 [2]常州大学环境与安全工程学院,江苏常州213164

出　　处：《安徽化工》2023年第4期153-156,共4页Anhui Chemical Industry

摘　　要：使用KI-MIBK萃取-火焰原子吸收光谱法测定聚氯化铝中的铅含量,在283.3 nm波长下,校正标准工作曲线线性良好,相关系数R2=0.9996,加标回收率为98.4%~101.8%。该方法简便、可行,对仪器配置要求较低,可以满足聚氯化铝生产企业对产品型式检验要求,其中100 g/L的抗坏血酸加入量为10 mL为宜。The KI-MIBK extraction flame atomic absorption spectrometry was used to determine lead in polyaluminum chloride.At the wavelength of 283.3 nm,the linearity of the calibration standard working curve was good,the correlation coefficient R2=0.9996,and the spiked recovery was 98.4%~101.8%.This method is simple,feasible,and has low re⁃quirements for instrument configuration,which can meet the type inspection requirements of water treatment agent manufac⁃turers for the determination of polyaluminum chloride products.The appropriate dosage of 100 g/L ascorbic acid is 10 mL.

关 键 词：KI MIBK 萃取 聚氯化铝 铅 

分 类 号：X832[环境科学与工程—环境工程]