2024年2月云南化工Feb.2024第51卷第2期YunnanChemicalTechnologyVol51,No2doi:103969/jissn1004275X20240223动能歧视-电感耦合等离子体质谱(ICP-MS)法测定铅、锌矿石中银量成景特(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)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0011μg/g,标准物质的相对误差07%~20%,相对标准偏差(RSD,n=8)16%~34%。方法简便,能够满足铅、锌矿石中银量的测定。关键词:动能歧视;电感耦合等离子体质谱法;银;铅锌矿石中图分类号:O657;P632文献标识码:A文章编号:1004-275X(2024)02-0100-03DeterminationofAginLeadOreandZincOrebyInductivelyCoupledPlasmaMassSpectrometry(ICP-MS)withKineticEnergyDiscriminationChengJingte(KeyLaboratoryofRadioactiveandRareScatteredMinerals,MinistryofNaturalResourcesShaoguan512026,China)Abstract:ThepracticabilityofthemethodwasevaluatedbyoptimizingtheNebulizerGasFlow,collisiongasflow,detectionlimit,accuracyandprecision.InductivelyCoupledPlasmaMassSpectrometrywithKineticEnergyDiscriminationcaneliminateinterferenceeffectively.Themethoddetectionlimitwere0.011μg/g.TherelativeerrorofGBW07235,GBW07236andGBW07237rangedfrom0.7%to2.0%.Therelativestandardde...