Lugol's iodine

Lugol's iodine, also known as Lugol's solution, is a solution of iodine named after the French physician J.G.A. Lugol. Lugol's iodine solution is often used as an antiseptic and disinfectant, it is also used to determine how much starch is in a substance (turns a dark-blue/black).

Related Topics:
Iodine - French - J.G.A. Lugol - Antiseptic - Disinfectant

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It consists of 5% iodine (I2) and 10% potassium iodide (KI) in distilled water. Potassium iodide is added to render the iodine water-soluble. This solution is also used as an indicator to test for the presence of starches in organic compounds.

Related Topics:
Iodine - Potassium iodide - Distilled water - Soluble - Solution - Starches - Organic compounds

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