基于原子吸收分光光度计火焰吸收法的矿样中锌含量测定  

Determination of zinc content in mineral samples by flame absorption method based on atomic absorption spectrophotometer

作　　者：陶兰芳 TAO Lan-Fang(Jiangxi Nonferrous Geological and Mineral Exploration and Development Institute,Nanchang 330001,China)

机构地区：[1]江西有色地质矿产勘查开发院,南昌330001

出　　处：《实验室检测》2024年第9期45-47,共3页Laboratory Testing

摘　　要：目的本研究旨在建立基于原子吸收分光光度计火焰吸收法的高效、准确测定矿样中锌含量的方法,以满足各个领域对金属元素检测的日益增长的需求。方法采用原子吸收分光光度计,并结合预处理矿样、实验步骤、仪器测量条件的优化,以及标准曲线的建立来进行锌含量的测定。结果所建立的方法具有较高的精密度和准确度,加标回收率为99.1%~99.9%,相关系数为0.9998。方法检出限为0.1μg/mL,表明该方法具备良好的定量分析能力。结论本法不仅具有高灵敏度和选择性,而且操作简便、结果可靠,对于环境保护和资源优化利用具有重要意义。Objective This study aims to establish an efficient and accurate method for the determination of zinc content in mineral samples based on the flame absorption method of atomic absorption spectrophotometer,in order to meet the growing demand for metal element detection in various fields.Methods The zinc content was determined by atomic absorption spectrophotometer,combined with pretreatment samples,experimental procedure,optimization of instrument measurement conditions and establishment of standard curve.Results The established method has high precision and accuracy,the recovery rate is 99.1%~99.9%,and the correlation coefficient is 0.9998.The detection limit of the method was 0.1μg/mL,indicating that the method had good quantitative analysis ability.Conclusion The method has not only high sensitivity and selectivity,but also simple operation and reliable results,which is of great significance for environmental protection and optimal utilization of resources.

关 键 词：原子吸收分光光度计 火焰吸收法 矿样 锌元素 

分 类 号：P575[天文地球—矿物学] O657.31[天文地球—地质学]