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DATA PROCESSING OF UNIVERSAL QUANTITATIVE METHOD IN STANDARDLESS X-RAY PHASE ANALYSIS

LIN Shuzhi , ZHANG Xizhang , WANG Wenzhong , Institute of Metal Reaserch , Academia Sinica , Shenyang , China

金属学报(英文版)

Accuracy of coeffcient A_(isp) is related to the reference phase chosen during analysis. The cri- terion of choosing reference phase which may minimize the error of A_(isp) was deduced. The optimum results could be obtained by using the method of least squares if the number of sam- pies for analysis is more than the phase in samples. The procedure presented here is satisfacto- ryfor ordinary phase analysis.

关键词: X-ray diffraction analysis , null