| 摘要 |
A composition useful for treating aqueous systems comprising a naphthylamine polycarboxylic acid having the formula: <CHEM> wherein X is CO<6>H or SO<7>H, Y is H, C<5> to C1/4 alkyl, CO<6>H or SO<7>H, R is H, C<5> to C1/4 alkyl, CO<6>R' or COR', R' is C<5> to C1/4 alkyl, n is an integer from 1 to 20, and water soluble salts thereof. |
