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介绍了用薄层扫描光谱图对化合物进行定性鉴定的方法 ,讨论了光谱图的各种影响因素 ,探讨了用光谱图和Rf 值相结合的定性方法。说明了这种定性方法在薄层色谱中的应用
The method of qualitative identification of compounds by TLC scanning was introduced. Various influencing factors of the spectrogram were discussed. The qualitative method of combining spectra with Rf values was discussed. The application of this qualitative method in thin layer chromatography is illustrated