Abstract：A method for simultaneously determination of aluminum and antimony, as well as impurity cadmium, copper, iron and lead in hot dip aluminized-antimony-zinc alloy was developed by spark source atomic emission spectrometry. The influence factors including light source parameters, the analysis line parameters and the co-existing element interference were investigated. The result indicated self-made calibration samples was used to draw optimum calibration curve for aluminum, antimony, cadmium, copper, iron and lead under the condition of optimum light source excitation parameter with washing time of 2 s, pre-burning time of 4 s and the total integration time of 14 s. Among them, the linear range for aluminium was 0.000 2%-15.0%. After taking the interference correction of coexistent elements into account, the linear correlation coefficient of three aluminum analysis lines were all higher than 0.999. The linear range for antimony was 0.000 3%-0.30%, and the linear correlation coefficient was above 0.99. The linear correlation coefficient of other impurity elements was also above 0.99. The relative standard deviations (RSD, n=8) of test elements were in the range of 0.48%-8.3% through the analysis of actual production samples, and the determination results of the random samples were consistent with those obtained by coupled plasma atomic emission spectrometry (ICP-AES).
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DING Ai-mei. Determination of major and minor components in hot dip aluminized-antimony-zinc alloy by spark source atomic emission spectrometry. , 2014, 34(6): 28-32.
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