摘要
本文采用原子吸收法测定了实验室自来水、水房饮用水和矿泉水三种不同水样中铅的含量。结果表明,当溶液pH为4.8,活性炭用量为0.2000 g时,活性炭对铅的吸附量最大。在最佳条件下处理水样,测得线性回归曲线为:y=0.011x+0.0098,实验室自来水、矿泉水、水房饮用水中铅的含量分别为0.048 mg/L、0.005 mg/L和0.014 mg/L,加标回收率为96.3%~108.8%。
The lead ions content of laboratory water,tap water and mineral water were determined by atomic absorption method. The results showed that when pH was 4. 8,the amount of activated carbon was 0. 2000 g,and the adsorption of lead on the activated carbon reached the maximum. Under the condition of optimum processing samples,measured linear regression curve was： y = 0. 011 x ＋0. 0098. Three kinds of lead content in the water samples was 0. 048 mg / L,0. 005 mg / L and 0. 014 mg / L. And standard addition recovery was 96. 3% ~ 108. 8%
出处
《长春师范大学学报》
2017年第2期55-58,共4页
Journal of Changchun Normal University
基金
运城学院产学研合作研究项目"ZnO基复合材料的制备及光催化性能研究"(CY-2013002)
关键词
铅
水样
原子吸收法
lead
water sample
atomic absorption
