Abstract：In oder to find posible elements in sample, the sample was qualitatively analyzed using the UniQuant software without correction. The scanning of analytical lines for all elements was conducted to determine the type and approximate content of elements in sample. Then, copper and iron in zinc alloy were determined using single-point calibration curve under the optimal instrumental conditions, realizing the determination of copper and iron in zinc alloy by X-ray fluorescence spectrometry (XRF). The effect of analytical time, detector, analytical line and sample preparation method on the determination results was investigated. The results indicated that the sensitivity and precision of testing elements were high under the following conditions: the analytical time was 60 s, the FPC detector was used, and the Kα line was selected as the analytical line. The milled block samples of zinc alloy and slice samples which were prepared by pressing the powder of ship shape samples and boric acid for direct analysis. The determination results were basically consistent with those obtained by electrolytic method and ICP-AES. The relative standard deviation (RSD, n=6) was 0.29% and 1.9%, respectively. The range was 0.016% and 0.0008%, which was lower than the repeatability limit specified in current national standard method.
冯秀梅,李 颖,陆筱彬,陈 君. X射线荧光光谱法测定锌合金中铜和铁[J]. 冶金分析, 2015, 35(5): 63-66.
FENG Xiu-mei, LI Ying, LU Xiao-bin, CHEN Jun. Determination of copper and iron in zinc alloy by X-ray fluorescence spectrometry. , 2015, 35(5): 63-66.
