VERFAHREN ZUM EINSTELLEN DER ZUSAMMENSETZUNG EINER BEIZLOESUNG, INSBESONDERE FUER EDELSTAHL

According to the present invention, there is provided a method for controlling the composition of a pickling solution characterized in that in the pickling for stainless steel using a ferric sulfate-hydrofluoric acid bath, the oxidation-reduction potential of the pickling solution is held in a prede...

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Bibliographische Detailangaben
1. Verfasser:	ITANI KATSUTOSHI
Format:	Patent
Sprache:	ger
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY
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Beschreibung
Zusammenfassung:	According to the present invention, there is provided a method for controlling the composition of a pickling solution characterized in that in the pickling for stainless steel using a ferric sulfate-hydrofluoric acid bath, the oxidation-reduction potential of the pickling solution is held in a predetermined range by adding hydrogen peroxide and sulfuric acid into the pickling solution.