钯含量分析方法研究进展  

A research progress of analysis methods for contents of palladium

作　　者：侯君钊 张圣欢 闫爽 苏志明[1] Hou Junzhao;Zhang Shenghuan;Yan Shuang;Su Zhiming(China National Accreditation Center for Conformity Assessment,Beijing 100062,China;Wuhan Institute of Marine Electric Propulsion,Wuhan 430064,China)

机构地区：[1]中国合格评定国家认可中心,北京100062 [2]武汉船用电力推进装置研究所,武汉430064

出　　处：《化学分析计量》2021年第12期89-94,共6页Chemical Analysis And Meterage

基　　金：国家市场监督管理总局科技计划项目(2020MK184)。

摘　　要：对钯含量分析方法研究进展进行综述。将6个国家标准、12个行业标准所使用的钯含量分析方法按照方法原理分成5类,分别对重量法、电感耦合等离子发射光谱法、电感耦合等离子发射质谱法、差减法、滴定法、原子吸收光谱法适用的测定范围、优缺点及方法改进进行了概述及评价。在实际工作中,需综合考虑试料中钯含量的范围、检测所需的试剂和试料量、检测时间、检测精度等方面,选择合适的钯含量分析方法。探讨了电位滴定仪法、X射线衍射光谱法等新方法测试钯含量研究进展,为相关分析检测人员在做钯含量分析方法研究时提供借鉴。The analytical methods and progress of palladium content were reviewed.The palladium content analysis methods used in 6 national standards and 12 industrial standards were divided into five categories according to the method principle.The applicable determination scope,advantages and disadvantages and method improvement of gravimetric method,inductively coupled plasma emission mass spectrometry,subtraction method,titration method and atomic absorption spectrometry were summarized and evaluated respectively.In practical work,it is necessary to comprehensively consider the range of palladium content in the sample,the amount of reagent and sample required for detection,detection time and detection accuracy,and select the appropriate palladium content analysis method.The research progress of new methods such as potentiometric titration and X-ray diffraction spectroscopy for the determination of palladium content was discussed,which provides reference for relevant analysts and testers in the study of palladium content analysis methods.

关 键 词：钯 重量法 电感耦合等离子发射光谱法 电感耦合等离子发射质谱法 差减法 滴定法 原子吸收光谱法 电位滴定仪法 X射线衍射光谱法 

分 类 号：O657[理学—分析化学]