Estimate the Calcium by Permanganametric Titration, where calcium is precipitated as calcium-oxalate using ammonium oxalate in acidic medium.

Estimation of Calcium – Permanganametric Titration

Volume of KMno4
Normality of KMno4
sample weight
Percentage of calcium

Formula:

Percentage of Calcium = ( Volume of KMno4 * Normality of KMno4 * 250 * 100 * 20 / Sample weight * 25 * 1000) Where, KMno4 -Potassium permanganate

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