| 摘要 |
A method of on-site determination of the presence of corrosive material in lubricating oil, comprising the steps of placing oil in a solvent of selected composition, titrating the resultant sample-solvent mixture with titrants of predetermined concentration to selected pH values, measuring the volumes of the titrants required to achieve the selected pH values, and thereafter generating signals which relate to the volumes of the titrants measured and indicating the quantity of the corrosive material in the lubricating oil.
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