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Composition and method for inhibiting chloride-induced corrosion of and limescale formation on ferrous metals and alloys

机译:抑制黑色金属和合金的氯化物腐蚀和石灰垢形成的组合物和方法

摘要

The present invention relates to a composition and method for inhibiting chloride-induced corrosion of and limescale formation on ferrous metals and alloys which contact aqueous solutions, the composition containing a corrosion inhibiting amount of at least one polycarboxylic acid and/or its alkali metal or alkaline earth metal salts and a sufficient amount of a base to bring the aqueous solution to a pH effective to inhibit both chloride-induced corrosion and limescale formation.
机译:本发明涉及一种用于抑制氯化物在与水溶液接触的黑色金属和合金上的氯化物诱导的腐蚀和形成水垢的组合物和方法,该组合物包含腐蚀抑制量的至少一种多元羧酸和/或其碱金属或碱金属。碱土金属盐和足够量的碱,以使水溶液达到可有效抑制氯化物腐蚀和水垢形成的pH。

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