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《化学分析计量》 2019年增刊
DOI:10.3969/j.issn.1008-6145.2019.z1.004
电感耦合等离子体发射光谱法同时测定土壤中8 种金属元素
刘朝,鄢飞燕,张鑫,李源,柳金良
核工业230 研究所,长沙 410007 
Simultaneous determination of 8 metal elements in soil by ICP-OES
LIU Chao, YAN Feiyan, ZHANG Xin, LI Yuan, LIU Jinliang
Research Institute No.230, CNNC, Changsha 410007, China 
摘要:建立电感耦合等离子体发射光谱仪同时测定土壤中K,Na,Ca,Mg,Cu,Pb,Zn,Ba 8 种元素的分析方法。选取了8 种元素干扰较少的分析谱线进行分析,8 种元素的质量浓度在各自范围内与特征强度具有良好的线性关系,线性相关系数均不小于0.999,K,Na,Ca,Mg 的检出限为0.003 3%~0.043%,Cu,Pb,Zn,Ba 的检出限为0.13~0.82 μg/g。精密度和准确度均能满足多目标区域地球化学调查DZ/T 0258-2014 的要求,样品的加标回收率为94.2%~105%。该方法操作简便,结果准确、可靠,适合大批量多元素样品的检测,具有推广价值。 
Abstract:A method for simultaneous determination of K, Na, Ca, Mg, Cu, Pb, Zn and Ba in soil by ICP-OES was established. Eight analytical lines with less interference were selected for analysis. The mass concentration of the eight elements had good linear relationships with the characteristic strength in their respective ranges. The linear correlation coefficients were not less than 0.999. The detection limits of K, Na, Ca and Mg were 0.003 3%-0.043%, and the detection limits of Cu, Pb, Zn and Ba were 0.13-0.82 μg/g. The precision and accuracy could meet the requirements of multiobjective regional geochemical survey DZ/T 0258-2014. The recoveries of the samples were 94.2%-105%. The method is simple, accurate and reliable. It is suitable for the detection of multielement samples in large quantities and has the value of popularization. 
关键词:电感耦合等离子体发射光谱法;土壤;同时测定;金属元素 
Keywords:ICP-OES; soil; simultaneous determination; metal element 
本文引用格式:
刘朝,鄢飞燕,张鑫,等.电感耦合等离子体发射光谱法同时测定土壤中8 种元素[J]. 化学分析计量,2019,28(Z1):17-22.
LIU C,YAN F Y,ZHANG X,et al. Simultaneous determination of 8 metal elements in soil by ICP-OES[J]. Chemical analysis and meterage,2019,28(Z1):17-22. 

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