Redox titration

ASCORBIC ACID TITRATION

Titration will be performed in the laboratory using:

• A tittered iodine solution concentrated at [c] = 0.0248M, prepared following the European pharmacopoeia standards.
• An ascorbic acid test sample: 44.5 mg of raw material
• A theoretical expected volume of diode out of the burette (assuming the raw material is pure)

N.A.: n_{ascorbic acid} being the number of moles of raw material involved in the titration, it can be written: Therefore, if the ascorbic acid raw material is pure, this gives us, with the previously mentioned concentrations of the reagents used, a volume of 10 mL iodine out of the burette at the equivalence point.