| 摘要 |
The invention provides a method for providing lasting antimicrobial activity on a hard surface as well as an aqueous liquid bleaching composition suitable for use in that method. The method comprises treating a hard surface with a composition comprises a hypochlorite salt and an N-chloro compound chosen from N-chloro-arylsulphonamides and N-chloro-imidodisulphate salt, the composition having pH above 7. |
