ICP-AES法测定地质样品中的金  

Determination of Gold in Geological Samples by ICP-AES

作　　者：王英滨[1] 郭永卫[2] 

机构地区：[1]中国地质大学化学分析室,北京市学院路29号100083 [2]烟台教育学院,山东省烟台市264001

出　　处：《光谱实验室》2001年第6期811-813,共3页Chinese Journal of Spectroscopy Laboratory

摘　　要：在 2 0 % (V/ V)王水介质中 ,用聚醚型泡沫塑料对金进行分离富集。以 1.0 % (W/ V)硫脲溶液解脱吸附在泡沫塑料上的金 ,解脱液中的金直接用 ICP- AES法测定。检出限为 0 .0 1× 10 -4 %。本方法简便、快速 ,用于测定地质样品中的金 ,结果与A method for determination of gold in geological samples was reported.In 20% aqua regie medium,the trace amounts of gold separated and concentrated with foam plastics.The gold adsorbed on the foam plastics was desorbed by 1.0% thiourea solution.The gold desorbed is determined directly by ICP AES.The detection limit for gold is 0.01×10 -4 %.This method is simple and rapid.It has been applied to the determination of gold in geological samples,and the results obtained are well in agreement with AAS method.

关 键 词：电感耦合等离子体-原子发射光谱 金 泡沫塑料 地质样品 测定 分离 富集 分析 

分 类 号：P575.4[天文地球—矿物学] P585.3[天文地球—地质学]