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针对现在广泛使用的薄层色谱分析技术带有破坏检材的缺点,提取采用激光拉曼光谱法进行无损检验,通过对收集的5个国家10种牌号样品进行初步比对分析,区分率达90%以上.
Aiming at the defect that the thin-layer chromatography technique widely used nowadays has the disadvantage of destroying the detection material, the laser Raman spectroscopy method is used for the non-destructive examination. According to the preliminary comparison and analysis of the collected 10 samples of 5 countries, the discrimination rate is 90 %the above.