I must have missed the discussion, what is Lugol's lodine supposed to accomplish?
2013/12/13 Craig Chamberlin <[email protected]> > Hi Marshall, > > I found this formula for making Lugol's and wondered if you would vet it. > > How to make Lugol's Iodine > Lugol's solution consists of > 1. *5 g iodine (I2)* and > 2. *10 g potassium iodide (KI)* mixed with > 3. *85 ml distilled water*, to make a brown solution with a total iodine > content of 130 mg/mL. > > To make the original version, we use what amounts to a 3% (2.91%) formula > (iodine and iodine compound). The formula is simple: 80 gm. of potassium > iodine (KI) is added to 4,000 ml of distilled water (roughly 4,000 gm). > After fully dissolving, 40 gm. of iodine crystal is added. After the iodine > crystal fully dissolves (which takes several hours), the product is > packaged and stored. > To make the newer 7% Lugol's version, using the same 4,000 ml. of > distilled water, the amounts of iodine use are 200 gm. of KI, and 100 gm. > of iodine crystal. For 15% Lugol's, to 4,000 ml. of distilled water we > dissolve 480 gm. of KI and 240 gm. of iodine crystal. > > Potassium iodide renders the elementary iodine soluble in water through > the formation of the triiodide (I3-) 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. > > Thanks, > > Craig >
