What is neutralization number?

Q.  Mass of ___________ required to neutralize one gram of lubricating oil is called as neutralization number.
- Published on 23 Sep 15

a. potassium hydroxide
b. calcium hydroxide
c. magnesium hydroxide
d. None of the above

ANSWER: potassium hydroxide

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    Discussion

  • Sravanthi   -Posted on 05 Oct 15
    • Neutralization number is also called as acid number and is defined as the mass of KOH in milligrams required to neutralize chemical substance of one gram.

    • Neutralization number is used to measure acid or alkaline content in new oils. It is used as an indicator for oxidation degradation of fuels.

    • Potassium hydroxide is used to neutralize the acid in any lubricant.

    • Neutralization number indicates age of oil and oil is changed and replaced.

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