US4954351A - Method of producing standardized
2011-11-28 · Assay for available iodine—Place about 5g of Povidone–Iodine, accurately weighed, in a 400-mL beaker, andadd 200 mL of water. Cover the beaker, and stir by mechanical means at room temperature for not more than 1 hour to dis- solve as completely as possible. Titrate immediately with 0.1 Nsodium thiosulfate VS, adding 3 mL of starch TS as theendpoint is approached. Perform a blank determination, andmake any necessary correction. Each mL of 0.1 N sodium thio-sulfate is equivalent to 12.69 mg of I.. Povidone-Iodine …
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