| 摘要 |
PROBLEM TO BE SOLVED: To provide a new microbicidal combination.SOLUTION: There is provided a microbicidal composition containing (a) N-methyl-1,2-benzoisothiazolin-3-one and (b) ethylenediamine tetraacetic acid or its salt, or citric acid or its salt, wherein the weight ratio of the N-methyl-1,2-benzoisothiazolin-3-one to the ethylenediamine tetraacetic acid or its salt is 1:1 to 1:400, and the weight ratio of the N-methyl-1,2-benzoisothiazolin-3-one to the citric acid or its salt is 1:30 to 1:2500. |
