| abstract |
(57) [Summary] [Problem] For example, sterilization using baked scallop shells When performing antibacterial, calcium carbonate is used for various devices and equipment, Provided is a disinfectant / antibacterial agent capable of preventing occurrence of a phenomenon such as sticking to a tank. The bactericidal / antibacterial agent comprises a calcined powder mainly composed of calcium oxide obtained by calcining a shell or an eggshell, and a phosphate powder. |