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Acid value defination is numbber milligrams of KOH required
to nuetralise the acid present in one gram oil & fats but
why not use NaOH for nuetralisation?
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Answer Posted / tauseef ahmad
NaOH cannot be used because it is highly hygroscopic in nature.Due to which it attains extra water and affect the neutralization process.Consequently acid value changes.
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