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《化学分析计量》 2019年第05期
DOI:10.3969/j.issn.1008-6145.2019.05.021
电感耦合等离子体发射光谱法测定不锈钢中的铬、镍、锰、铜、钛、铝
高会兵,董龙腾,王生进,刘春虎,刘才云,孙国卿
河北省地矿局第九地质大队,河北邢台 054000 
Determination of chromium, nickel, manganese, copper, titanium and aluminium in stainless steel by inductively coupled plasma emission spectroscopy
GAO Huibing, DONG Longteng, WANG Shengjin, LIU Chunhu, LIU Caiyun, SUN Guoqing
The Ninth Geological Brigade of Hebei Geological and Mineral Bureau, Xingtai 054000, China 
摘要:建立电感耦合等离子体发射光谱仪同时测定不锈钢中铬、镍、锰、铜、钛、铝6种元素含量的方法。用20 mL王水溶解样品,铬、镍、锰、铜、钛、铝的分析谱线分别为283.563,231.604,259.373,324.754,334.941,308.215 nm。铬、镍、锰、铜、钛、铝的质量浓度与其信号强度均呈良好的线性关系,线性相关系数均不小于0.999,检出限分别为0.007,0.009,0.002,0.007,0.002,0.008 μg/mL。测定结果的相对标准偏差为0.17%~2.80%(n=6),加标回收率为96.50%~103.70%。用该法测定国家标准物质,测定值与标准值一致,相对误差为0.05%~3.03%。该方法准确、可靠,可用于不锈钢中铬、镍、锰、铜、钛、铝的测定。 
Abstract:The method for determination of chromium, nickel, manganese, copper, titanium and aluminium in stainless steel by inductively coupled plasma emission spectrometry was established. Samples were dissolved in 20 mL aqua regia, and the analytical lines of chromium, nickel, manganese, copper, titanium and aluminium were 283.563, 231.604, 259.373, 324.754, 334.941, 308.215 nm, respectively. The mass concentrations of chromium, nickel, manganese, copper, titanium and aluminium were linear with the spectrum intensity, the linear correlation coefficients were more not less than 0.999. The detection limits of chromium, nickel, manganese, copper, titanium and aluminium were 0.007, 0.009, 0.002, 0.007 0.002, 0.008 μg/mL, rspectively. The relative standard deviation of determination results was 0.17%-2.80%(n=6), the recovery rate was 96.50%-103.70%. The standard samples were determined by this method, the measured values were in agreement with the standard values, and the relative error was in the range of 0.05%-3.03%. The method is accurate and reliable, and it can be used for determination of chromium, nickel, manganese, copper, titanium and aluminium in stainless steel. 
关键词:电感耦合等离子体发射光谱法;不锈钢;铬;镍;锰;铜;钛;铝 
Keywords:inductively coupled plasma emission spectrometry; stainless steel; chromium; nickel; manganese; copper; titanium; aluminium 
本文引用格式:
高会兵,董龙腾,王生进,等.电感耦合等离子体发射光谱法测定不锈钢中的铬、镍、锰、铜、钛、铝[J].化学分析计量,2019,28(5):86-89. GAO H B,DONG L T,WANG S J,et al. Determination of chromium,nickel,manganese,copper,titanium and aluminium in stainless steel by inductively coupled plasma emission spectroscopy[J]. Chemical analysis and meterage,2019,28(5):86-89. 

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