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US4636327A Aqueous acid composition and method of use 失效
含水酸组成及使用方法

Aqueous acid composition and method of use
摘要:
Aqueous acid compositions are described which comprise (a) hydroxyethylethylenediaminetriacetic acid, and (b) a compatible acid corrosion inhibitor. The compositions are useful in removing iron oxide scale from metal surfaces.
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