An analysis method based on multi-instruments analysis technique coupled solvent extraction to determine compositions of unknown cosmetic were established. The multi-instruments involve high-performance liquid chromatography (HPLC), X-ray diffraction (XRD) and Fourier transform infrared (FTIR). The cosmetic sample was separated and enriched into 4 fractions by the solvent extraction. The compounds were defined as mercuric ammonium chloride, liquid paraffin, etc.
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机译：A Comparison between Piano Composition Mei Hua San Nong and qin qu Mei Hua San Nong-Analysis of Ethnic Musical Characteristic of Piano Composition Mei Hua San Nong
机译：放射源中伽马辐射的确定方法u 1 044 044 044 044 u u u u determination of determination of of of of of determination of of determination of of determination determination of
