Abstract：The sacrificial anode sample of aluminum-zinc-indium alloy was dissolved with hydrochloric acid and hydrogen peroxide. The spectral lines with little or no interference and high sensitivity were used as the analytical lines of testing elements. The physical interference was eliminated via correcting the spectral interference and matrix matching by the background deduction from left and right points. The elements in sacrificial anode of aluminum-zinc-indium alloy (including iron, copper, indium, tin, zinc, cadmium, magnesium, titanium and silicon) were determined by inductively coupled plasma atomic emission spectrometry (ICP-AES). The detection limits of the proposed method were between 0.000 011% and 0.000 77% (mass fraction). The linearity of calibration curves was good, and the linear correlation coefficient was r>0.997. The actual samples were determined by the proposed method, and the relative standard deviations (RSD, n=10) of determination results were no more than 4.0%. The found results of standard samples were consistent with the certified values. The recoveries of standard addition were between 99% and 110% for actual samples.
杜米芳, 杜丽丽, 刘攀, 聂富强, 李景滨. 电感耦合等离子体原子发射光谱法测定铝-锌-铟系合金牺牲阳极中9种元素[J]. 冶金分析, 2015, 35(8): 55-60.
DU Mi-fang, DU Li-li, LIU Pan, NIE Fu-qiang, LI Jing-bin. Determination of nine elements in sacrificial anode of aluminium-zinc-indium alloy by inductively coupled plasma atomic emission spectrometry. , 2015, 35(8): 55-60.
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