Formula and Manufacture
Lugol's solution is available in different potencies of 1%, 2%, or 5% Iodine. The 5% solution consists of 5% (wt/v) iodine (I2) and 10% (wt/v) potassium iodide (KI) mixed in distilled water and has a total iodine content of 130 mg/mL. Potassium iodide renders the elementary iodine soluble in water through the formation of the triiodide (I−
3) ion. It is not to be confused with tincture of iodine solutions, which consist of elemental iodine, and iodide salts dissolved in water and alcohol. Lugol's solution contains no alcohol.
Other names for Lugol's solution are I2KI (iodine-potassium iodide); Markodine, Strong solution (Systemic); and Aqueous Iodine Solution BCP.
Lugol's is obtained over the counter from drug stores or health food stores. This indicator, also called a stain, is used in many different fields.
Read more about this topic: Lugol's Iodine
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