摘要 |
BP File No. BP File No. 6720-1 A substantially 100% active aqueous solution of the phosphonocarboxylic acid and one or more hydroxides, wherein the solution has a pH in the range from about 6.5 to about 8.5. In an alternate embodiment, a dry, free flowing mixture comprising a phosphonocarboxylic acid, calcium chloride being, on average, a di-hydrate, and a sufficient amount of hydroxide to form a partially neutralized phosphonocarboxylic acid salt is disclosed.
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