电感耦合等离子体原子发射光谱法快速测定硫酸亚铁中痕量砷  

Rapid determination of trace arsenic in ferrous sulfate solution by inductively coupled plasma optical emission spectrometer

作　　者：张红 杨丽萍 刘美霞 张灿 ZHANG Hong;YANG Liping;LIU Meixia;ZHANG Can(State Key Laboratory of High-Efficiency Utilization of Medium and Low Grade Phosphate Rocks and Their Associated Resources,Guiyang 510016,China;Wengfu(Group)Co.,Ltd.,Guiyang 550000,China)

机构地区：[1]中低品位磷矿及其共伴生资源高效利用国家重点实验室,贵州贵阳550016 [2]瓮福(集团)有限责任公司,贵州贵阳550000

出　　处：《磷肥与复肥》2022年第11期33-34,共2页Phosphate & Compound Fertilizer

基　　金：贵州省科技计划项目(黔科合支撑[2022]一般029)。

摘　　要：通过标准曲线法,探究电感耦合等离子体原子发射光谱法测定硫酸亚铁中痕量砷的可行性,得到砷的检出限为3.972μg/L,测定下限为11.92μg/L,相关系数为0.999 7,加标回收率为93.56%~99.83%,相对标准偏差小于2.9%。该方法操作简单、灵敏度高、干扰少、节约成本,适用于硫铁矿浸出液中总砷的测定。The feasibility of inductively coupled plasma optical emission spectrometer(ICP-OES) determination of trace arsenic in ferrous sulfate solution is explored by standard curve method, and the detection limit of arsenic content is 3.972 μ g/L, the lower limit of determination is 11.92 μ g/L, the correlation coefficient is 0.999 7, the standard recovery rate is 93.56% to 99.83%, and the relative standard deviation of different concentration levels is less than 2.9%. This method is simple, sensitive, no interference and accurate, and it is suitable for the determination of total arsenic in pyrite preparation solution.

关 键 词：电感耦合等离子体原子发射光谱 硫酸亚铁溶液 砷 测定 

分 类 号：TQ075[化学工程]