Determination of silicon,manganese,iron,titanium,copper and phosphorus in aluminum-magnesium ring by inductively coupled plasma atomic emission spectrometry
LI Cun-gen, GUAN Man-man, ZHENG Jian-dao, LI Jian-guo, WANG Li-jun
Quality Inspection Department,Anyang Iron & Steel Co.,Ltd., Anyang 455004, China
Abstract：The aluminum-magnesium ring sample was dissolved with hydrochloric acid and nitric acid, and the calibration curves was prepared with matrix matching method to eliminate the influence of matrix effect. Consequently, the content of silicon, manganese, iron, titanium, copper and phosphorus in aluminum-magnesium ring was determined by inductively coupled plasma atomic emission spectrometry(ICP-AES) with Si 212.412 nm, Mn 257.610 nm, Fe 238.204 nm, Ti 334.940 nm, Cu 324.752 nm and P 187.221 nm were selected as the analytical lines. The linear correlation coefficients of calibration curves of elements were all higher than 0.999. The detection limits of each element were between 0.001 1 μg/mL and 0.02 0 μg/mL, and the low limits of determination were between 0.003 7 μg/mL and 0.06 7 μg/mL. The proposed method was applied to the determination of silicon, manganese, iron, titanium, copper and phosphorus in sample. The relative standard deviations (RSD, n=6) of determination results were between 0.62% and 3.1%. The recoveries were between 89% and 116%. The content of silicon, manganese, iron, titanium, copper and phosphorus in sample was determined according to the experimental method. The results were consistent with those obtained by the spectrophotometry and atomic absorption spectrometry.
李存根, 关漫漫, 郑建道, 李建国, 王丽君. 电感耦合等离子体原子发射光谱法测定铝镁环中硅锰铁钛铜磷[J]. 冶金分析, 2016, 36(3): 59-63.
LI Cun-gen, GUAN Man-man, ZHENG Jian-dao, LI Jian-guo, WANG Li-jun. Determination of silicon,manganese,iron,titanium,copper and phosphorus in aluminum-magnesium ring by inductively coupled plasma atomic emission spectrometry. , 2016, 36(3): 59-63.
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