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用柱层析一步法分离富集胜利减二线油样中的酸性氮化合物，用１ｍｏｌ／Ｌ盐酸及３ｍｏｌ／Ｌ盐酸萃取碱性氮化合物，以色／质联用技术结合质谱、质量色谱、谱库检索及Ｌｅｅ保留指数对照等对各氮化合物进行定性鉴定。
The column chromatography was used to separate the acidic nitrogen compounds in the second line oil samples, and the basic nitrogen compounds were extracted with 1mol / L hydrochloric acid and 3mol / L hydrochloric acid. The mass spectrometry, mass spectrometry and mass spectrometry Library search and Lee retention index control of the qualitative identification of the nitrogen compounds.