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.: nascorbic acid being the number of moles of raw material involved in the titration, it can be written:
by integrating this value into the first equationTherefore, 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.