KI-MIBK萃取法测定地表水中铜、镉、铅的改进

Improvement of KI-MIBK Extraction Method for Determination of Copper,Cadmium and Lead in Surface Water

对KI-MIBK萃取火焰原子吸收法测定地表水中铜、镉、铅进行了改进。用100ml容量瓶代替分液漏斗取样、萃取和火焰原子吸收测定。改进法校准曲线的灵敏度和相关系数、精密度和准确度均优于标准法。