Title: Analysis on the Effect Factors of Lubricating Oil' s Acid/Base Number Curve Testing by Manual Potentiometric Titration
Abstract: The acid/base number changes of lubricating oil have a great effect on the oil' s performance and safe usage,especially on the tribological properties.Referring to the widespread methods of Determination of Acid Number of Petroleum Products and Lubricants(Potentiometric Titration Method)(GB/T 7304-2000) and Determination of Base Number of Petroleum Products(Perchloric Acid Potentiometric Titration Method)(SH/T 0251-93),the results obtained by the manual titration method were inaccurate because of the manual operation in the laboratory.According to a great number of experiments,the author analyzed the effect factors of measurement accuracy,including the usage of the electrode,temperature,the sample weight of the oil,etc.Meanwhile,the author discussed the method which obtains more accurate experimental results.
Publication Year: 2012
Publication Date: 2012-01-01
Language: en
Type: article
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