Abstract：After the sample was prepared with a special self-made mode, it was put into the built-in small-sample holder of the analyzer. A spark-source atomic emission spectrometric determination of carbon, silicon, magnesium, phosphorus, sulfur, chromium, nickel, molybdenum, cobalt, etc. in small-diameter stainless steel rod sample was thus established. Because there are no small-diameter reference samples for spectral analysis at present, the rod samples with fine surface quality and homogeneity after spectral detection were selected from the 6 nm- and 8 nm-diameter steel rods to be sent for detection as internal control sample for spectral analysis after being certified by chemical analysis. It was found that, the system deviation was eliminated and the analysis accuracy was enhanced in the analysis of rod sample by using the standardized data of calibration curve, which was established with block spectral reference sample and corrected by "control sample coefficient method", thus the difficulty in establishing calibration curve of rod reference sample for spectral analysis was solved. Precision test was conducted on 6 nm- and 8 nm-diameter stainless steel rods. The relative standard deviation was within 0.51%-2.5% and 0.10%-6.3%, respectively. Four small diameter stainless steel rods samples were analyzed. The results were basically consistent with those obtained by wet methods and the test errors were smaller than the standard requirement of national standard GB/T222-2006.
韩宗才,兰恩有,丁彦风,李淑婷,钱才让. 小直径不锈钢棒样品的火花源原子发射光谱分析[J]. 冶金分析, 2014, 34(9): 24-28.
HAN Zong-cai, LAN En-you, DING Yan-feng, LI Shu-ting, QIAN Cai-rang. Analysis of stainless steel rod sample with small diameter by spark source atomic emission spectrometry. , 2014, 34(9): 24-28.
