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近代化学工业如石油燃料、塑胶、染料、药物等等生产中提出对复杂分子結构与分析进行研究的需要。特别是当遇到有机混合物,其中含有相近沸点和类似結构的同分异构体,或当样品量少时,或在研究与分析时不适宜加試剂(例如研究絡合物的形成与締合状态)等如用化学方法非常困难,或者消费太多时間。在这些情况下,根据生产与实驗实践証明应用分子光譜方法是极为有效的。分子光譜方法包括可見与紫外区电子吸收
Modern chemical industry such as petroleum fuels, plastics, dyes, drugs and so on the production of complex molecular structure and analysis of research needs. Especially when confronted with organic mixtures containing isomers of similar boiling points and analogous structures, or when the sample amount is small, or unsuitable for the study and analysis (eg, the formation of complexes Co-state), such as using chemical methods is very difficult, or spend too much time. Under these circumstances, it is extremely effective to apply molecular spectroscopy based on production and experimental practice. Molecular spectroscopy methods include visible and UV absorption