which is more acedic alphachlorbutyric acid bita chloro butyric acid
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C23F1/18 Acidic compositions for etching copper or alloys thereof ... More particularly, this invention relates to additives which when placed in a powderless .... It has been found that if beta chloro propionic acid or formic acid is utilized, the ... alpha-chloro-beta chloro iso butyric acid, alpha cyano-beta cyano-isobutyric acid, .
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