微波消解一电感耦合等离子体发射光谱法测定增碳剂中5种元素的方法研究  

Simultaneous Determination of 5 Trace Elements in Recarburizer by Inductively Coupled Plasma Atomic Emission Spectrometry with Microwave Digestion

作　　者：杨慧贤 杨雪峰 李宁 戚振南 葛晶晶 YANG Hui-xian;YANG Xue-feng;LI Ning;QI Zhen-nan;GE Jing-jing(Hesteel Group Central Iron and Steel Research Institute,Shijiazhuang 050023,China;Beijing SL Pharmaceutical Co.,Ltd.,Beijing 100041,China)

机构地区：[1]河钢集团钢研总院,河北石家庄050023 [2]北京双鹭药业股份有限公司,北京100041

出　　处：《有色矿冶》2022年第2期59-61,64,共4页Non-Ferrous Mining and Metallurgy

摘　　要：建立微波消解-电感耦合等离子体发射光谱法(ICP-AES)同时测定增碳剂中微量元素镍、铜、铝、铬、钼含量的方法。使用硝酸和少量氢氟酸并采用微波消解进行样品溶解,采用高纯物质进行基体匹配,对增碳剂中的微量元素进行测定。对样品溶解方法、酸介质的选择做了相关的试验,采用配制标准溶液系列建立校准曲线,同时进行了一系列的精密度、准确度和加标回收实验。实验结果表明,该方法简便、快速,各元素精密度RSD均小于2.0%,加标回收率为95%~105%,准确度良好,结果满足要求。A method of determining 5 elements(Ni,Cu,Al,Cr,Mo) in recarburizer by microwave digestion and inductively coupled plasma atomic emission spectrometry is reported.The relative tests are done for sample dissolving method and selection of acid medium.The standard solution series and calibration curves were prepared by matrix matching method,and a series of experiment is carried out for precision degree,accuracy and standard addition recovery.This method is simple and rapid.Testing results show that recovery for the elements determined is from 95% to 105%,and RSD is below 2.0%.

关 键 词：微波消解 电感耦合等离子体发射光谱法 增碳剂 元素 

分 类 号：O657.37[理学—分析化学]