Iodine germicides that continuously generate free molecular iodine
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United States of America Patent
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Oct 5, 1999
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app pub date -
Jul 5, 1996
filing date -
Jul 5, 1996
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Abstract
A method for forming an iodine disinfecting solution that continuously generates free molecular iodine at a controlled average rate of at least 0.2 ppm per hour over a sustained and extended time period. The method involves combining persulfate anions and iodide anions in sufficient quantity in an aqueous medium having a resulting pH of less than about 6.5 so as to create an iodine generating capacity in said aqueous medium of between 1.5 and 6.5 with a generated concentration of at least 5 ppm of free molecular iodine and maintaining this concentration over the course of the extended time period.
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