电感耦合等离子体原子发射光谱(ICP-AES)法测定高镍铜液体样品中金、铂、钯
Chinese Jorunal of Inorganic Analytical Chemistry(2022)
Abstract
为实现中控液体物料中金、钯、铂元素的精准定量分析,为工艺生产定向富集和高效提取提供数据支持,建立了电感耦合等离子体原子发射光谱(ICP-AES)法测定中控冶炼系统中高镍铜液体样品中金、铂和钯3种元素含量的测定方法.确定了试液用碲共沉淀,贵金属进入滤渣,经火试金分离富集得到贵金属合粒,合粒经王水溶解后,于王水介质中在电感耦合等离子体原子光谱仪上同时测定金钯铂的量.金、铂、钯的测定范围为0.014~5 mg/L,加标回收率为92.2%~104%,相对标准偏差(RSD)为3.2%~10.6%,方法满足高镍、铜液体样品中金、钯、铂元素的测定要求.
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