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?

Answer Posted / hetal

NaOH is used foer generally saponification so due to
reactivity of NaOH may be saponify total oil instead of fat
only so KOH is use for nuetralisation.

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