| abstract |
Liquid concentrates suitable for use as disinfectants contain 1-15 percent by weight hydrogen peroxide, 1-30 percent by weight acidic phosphorus compound, 0.1-5 percent by weight complexing agent, 0-20 percent by weight surfactant and, as a solvent, water or a mixture of water and water-miscible solvents. Suitable acidic phosphorus compounds are in particular phosphoric acids, sodium, potassium and / or ammonium dihydrogen phosphate. Alkane polyphosphonic acids, aminopolyphosphonic acids, hydroxyalkane polyphosphonic acids, phosphonocarboxylic acids, aminopolycarboxylic acids and their alkali metal salts are used as complexing agents. Nonionic surfactants and amphoteric surfactants are particularly suitable as surfactants. In special embodiments, 1-15% by weight of disinfectant quaternary ammonium compound or 1,1'-hexamethylene bis [5- (4-chlorophenyl) biguanide] digluconate is additionally present in the concentrate. |