| abstract |
(57) [Summary] [PROBLEMS] To provide a bactericide which is safe, environmentally friendly and has a strong bactericidal power. SOLUTION: When dissolved in an aqueous medium, iodide concentration is 10 ppm to 2000 ppm, and hydrogen peroxide concentration is 0.1 ppm to 100 p. A bactericidal composition for supplying a bactericidal solution having a peroxidase activity of 0.001 U / ml to 2 U / ml (measured by pyrogallol method) and a pH of 1.5 to 4.0. |