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| 摘要: |
| 根据差示红外光谱法原理，测定并记录在用油和新油在1850－1550cm^-1的红外光谱图，运用计算机进行差谱分析处理，在差谱图中读取1850cm^-1和1720cm^-1及1630cm^-1处的吸收值，再根据基线法分别求出旧油中的氧化值和硝化值。试验结果表明，使用该分析方法所得的数据准确性高、重复性好。差示红外光谱法测定油品中氧化值、硝化值是检验汽油机油在使用过程中的氧化和硝化程度的有效手段。 |
| 关键词: 差示红外光谱法 测定 旧汽油机油 氧化值 硝化值 润滑油 |
| DOI： |
| 分类号:TE626.3 TE622.14 |
| 基金项目: |
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| DETERMINATION OF OXIDATION NUMBER AND NITRATION NUMBER IN USED AUTOMOBILE OIL BY DIFFERENTIAL INFRARED SPECTROMETRY |
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Feng Xingping Dai Yueju Zhou Yi
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| Abstract: |
| The differential infrared spectrometry for determination of oxidation number and nitration number of oil products is an effective measure for monitoring the oxidation and nitration of automobile oil in the course of using. According to the principle of di |
| Key words: lubricating oil, automobile oil, differential infrared spectrometry, oxidation number, nitration number |
