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应用傅立叶变换红外光谱法测定润滑油中抗氧抗腐剂(ZDDP)、丁二酰亚胺的含量。采用基线法计算其吸光度,选定667cm-1为ZDDP定量吸收峰,1706cm-1为丁二酰亚胺定量吸收峰,它们都符合比耳定律,该方法适宜新旧润滑油中ZDDP、丁二酰亚胺的定量分析。
Determination of Antioxidant and Antiseptic (ZDDP) and Succinimide in Lubricating Oil by Fourier Transform Infrared Spectroscopy. The absorbance was calculated by the baseline method. The selected 667cm-1 was the quantitative absorption peak of ZDDP and the 1706cm-1 was the quantitative absorption peak of succinimide. All of them were in accordance with the Beer’s law. This method is suitable for the new and old lubricating oil ZDDP, Imine quantitative analysis.