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A Method of the Identification of EDS Overlap-peaks

Yin Jianping Gao Weijian (Analytical and Testing Centre of Suzhou University)  
The identification of overlap-peaks is one of difficult problems in EDS qualitative analyses. This article sug- gests a feasible method on identification of EDS overlap—peaks. Some examples and corresponding experimental re- sults were given by using SUPQ and INTE functions in EDAX PV9900 Energy Dispersive Spectrometer. Prelimi- nary study showed that, combine this method with ID function in EDAX, the overlap-peaks of △E=20~50ev (even △E~10ev)and peak intensity Np=2N_B~(1/2) can be identified correctly.
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