IODINE 0.05mol 0.1N SOLUTION

Iodine 0.1 N: Weigh 40 g of potassium iodide (KI) in a 500 mL glass-stoppered flask and dissolve in 100 mL of purified water. Let the solution come to room temperature, add 12.7 g of resublimed iodine (I2), restopper the flask, and swirl the flask until the iodine is completely dissolved.

Standardization of 0.1 N Iodine Solution

Add 10 ml of sodium hydroxide solution (NaOH, 40 g/L), and swirl to dissolve. When solution is complete, add 100 mL of water and 10 ml of sulfuric acid (H2SO4, 1 + 35), and mix.

Dosage

Dose for preparation of 1 litre of solution. Iodine in ... Iodine 0.5 mol/l (1 N) in aqueous solution AVS ... Iodine 0.05 mol/l (0.1 N) in aqueous solution.

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