強酸性電解水のpH 0-3における殺菌要因の分析

概要

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The strongly acidic electrolyzed water with graded available chlorine concentrations (ACC) and dilute hydrochloric acid were examined for characterizing the bactericidal activity against Bacillus subtilis spore in the pH 0-3. The following were obtained. 1) In pH 0-3, the bactericidal activity became higher with decreasing pH. 2) Available chlorine was the principal bactericidal factor, whereas hydrogen ion H^+ exerted an appreciable direct bactericidal activity. At pH 0, a synergic bactericidal effect of H^+ and available chlorine was observed at low ACC. 3)Among several forms of available chlorine, hypochlorous acid HOCl had a substantial bactericidal effect, and dissolved chlorine Cl_2aq also had a considerable bactericidal effect.
拓殖大学の論文
2004-10-20