| 摘要 |
A method for disinfecting bacteriologically contaminated surfaces comprises the application to said surfaces of a composition comprising a synergistic mixture of (a) a quaternary ammonium compound and (b) a chlorinated methyl substituted phenol, in (c) at least one aqueous mono-hydric alcohol and, optionally, at least one poly-hydric alcohol; wherein the ratio of (a) to (b) is between 4:1 and 1:1.5. The compositions may further include sodium or potassium salts of ethylenediamine tetraacetic acid and are preferably produced as concentrates, for dilution with water when required. |
