| 摘要 |
Compositions comprising (a) diethylenetriaminopenta(methylenephosphonic acid) or an alkali metal salt thereof and (b) aminotri(methylenephosphonic acid) or an alkali metal salt thereof wherein the amount of (b) is from 5 to 70% of the total weight of (a) and (b) are effective stabilizers against precipitation and scaling of alkaline solutions containing potentially scale-forming components. |
