动能歧视-电感耦合等离子体质谱(ICP-MS)法测定铅、锌矿石中银量  

Determination of Ag in Lead Ore and Zinc Ore by Inductively Coupled Plasma Mass Spectrometry(ICP-MS)with Kinetic Energy Discrimination

作　　者：成景特 Cheng Jingte(Key Laboratory of Radioactive and Rare Scattered Minerals,Ministry of Natural Resources Shaoguan 512026,China)

机构地区：[1]自然资源部放射性与稀有稀散矿产重点实验室,广东韶关512026

出　　处：《云南化工》2024年第2期100-102,共3页Yunnan Chemical Technology

摘　　要：通过优化雾化气流量、碰撞气流量、检出限、准确度、精密度实验来评价方法的实用性。动能歧视-电感耦合等离子体质谱(ICP-MS)法有效消除了干扰,方法检出限为0.011μg/g,标准物质的相对误差0.7%~2.0%,相对标准偏差(RSD,n=8)1.6%~3.4%。方法简便,能够满足铅、锌矿石中银量的测定。The practicability of the method was evaluated by optimizing the Nebulizer Gas Flow,collision gas flow,detection limit,accuracy and precision.Inductively Coupled Plasma Mass Spectrometry with Kinetic Energy Discrimination can eliminate interference effectively.The method detection limit were 0.011μg/g.The relative error of GBW07235,GBW07236 and GBW07237 ranged from 0.7%to 2.0%.The relative standard deviation(RSD,n=8)ranged from 1.6%-3.4%.The method is simple and convenient.It can satisfy the determination of Ag in lead ore and zinc ore.

关 键 词：动能歧视 电感耦合等离子体质谱法 银 铅锌矿石 

分 类 号：O657[理学—分析化学] P632[理学—化学]