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将用四氯化钛和二氯化铜两步络合法得到的含氮化合物，即碱性含氮化合物和非碱性含氮化合物的浓缩物，分别以不同的浓度回掺入１５０ＳＮ、５００ＳＮ、１５０ＺＮ和６００ＺＮ四种润滑油基础油中，考察其对基础油氧化安定性的影响。结果表明：含氮化合物的存在对润滑油基础油的氧化安定性是不利的，其中碱性含氮化合物的影响更为显著，非碱性含氮化合物影响较弱；含硫化合物的存在则对润滑油基础油的氧化起抑制作用。还将碱氮、非碱氮和硫的含量与润滑油基础油的氧化诱导期进行关联，提出了一个经验关联式。
The nitrogen-containing compounds obtained by the two-step complexing method of titanium tetrachloride and copper dichloride, ie, the basic nitrogen-containing compounds and the non-basic nitrogen-containing compounds, were respectively mixed into 150SN and 500SN , 150ZN and 600ZN four kinds of lubricating base oil, investigate its base oil oxidation stability. The results showed that the presence of nitrogenous compounds was unfavorable for the oxidation stability of lubricating base oil, among them, the influence of basic nitrogenous compounds was more significant and that of non-basic nitrogenous compounds was weaker. The presence of sulfurous compounds Oxidation of lube base oil inhibits action. Also related to the content of basic nitrogen, non-basic nitrogen and sulfur and the oxidation induction period of lube base oil, an empirical correlation formula was proposed.