Starch Iodide Paper

Starch Iodide Paper Immerse strips of filter paper in 100 mL of starch solution containing 0.5 g of potassium iodide. Drain and allow to dry protected from light.

Complies with the following test.

Sensitivity Mix 0.05 mL of 0.1m sodium nitrite with 4 mL of hydrochloric acid and dilute to 100 mL with water. Deposit 0.05 mL of the solution on the paper. A blue spot appears.