离子交换树脂分离富集-分光光度法测定铜尾矿中金含量  

Determination of gold content in copper tailings by ion exchange resin separation enrichment-spectrophotometry

作　　者：昝敏娇 ZAN Minjiao(Metrology and Inspection Department of Northern Copper Co.,Ltd.,Yuncheng Shanxi 043700,China)

机构地区：[1]北方铜业股份有限公司计量检验部,山西运城043700

出　　处：《山西化工》2021年第2期49-51,共3页Shanxi Chemical Industry

摘　　要：研究了717型阴离子交换树脂对金的吸附和解析性能,考察了上柱液流速、上柱液酸度、样品体积对吸附率的影响,建立了离子交换树脂分离富集-分光光度法测定铜尾矿中金含量的方法。该方法的检出限为0.43μg/L,铜尾矿样品的测定结果与活性炭纸浆吸附碘量法的测定结果相吻合。The adsorption and analytical properties of type 717 anion exchange resin on gold were studied.The effects of liquid flow rate,acidity and sample volume on adsorption rate were investigated.Detection limit of this method is 0.43μg/L,and the results of the determination of copper tailings samples are in agreement with the results of the method of adsorption iodine by activated carbon pulp.

关 键 词：分光光度法 离子交换树脂 铜尾矿 

分 类 号：Q657.3[生物学—生物物理学]