JPS5792199A - Preventing method for deterioration of tin electrolytic coloring bath - Google Patents

Preventing method for deterioration of tin electrolytic coloring bath

Info

Publication number
JPS5792199A
JPS5792199A JP16799680A JP16799680A JPS5792199A JP S5792199 A JPS5792199 A JP S5792199A JP 16799680 A JP16799680 A JP 16799680A JP 16799680 A JP16799680 A JP 16799680A JP S5792199 A JPS5792199 A JP S5792199A
Authority
JP
Japan
Prior art keywords
bath
oxidation
deterioration
ion
exchange membrane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP16799680A
Other languages
Japanese (ja)
Inventor
Toshihiko Sato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NIHON KEIKINZOKU KK
Nippon Light Metal Co Ltd
Original Assignee
NIHON KEIKINZOKU KK
Nippon Light Metal Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NIHON KEIKINZOKU KK, Nippon Light Metal Co Ltd filed Critical NIHON KEIKINZOKU KK
Priority to JP16799680A priority Critical patent/JPS5792199A/en
Publication of JPS5792199A publication Critical patent/JPS5792199A/en
Pending legal-status Critical Current

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  • Electrochemical Coating By Surface Reaction (AREA)

Abstract

PURPOSE: To prevent the deterioration of an Sn electrolytic bath due to the oxidation of Sn ions in the bath by separating an Al material and an opposite electrode by an ion exchange membrane when the Al material is oxidation- colored by anodic electrolysis using the Sn bath.
CONSTITUTION: When an electric current is supplied between an Al material 1 as an anode and an opposite electrode 2 in an electrolytic bath of stannous sulfate or the like to form a colored oxide film on the surface of the material 1, both the electrodes 1, 2 are separated by an ion exchange membrane A. The membrane A may be an anion or cation exchange membrane. Thus, the oxidation of Sn2+ ion in the bath to Sn4+ ion is prevented, the reduction of the oxidation coloring power of the bath due to electrolysis is prevented, and the life of the bath is elongated.
COPYRIGHT: (C)1982,JPO&Japio
JP16799680A 1980-12-01 1980-12-01 Preventing method for deterioration of tin electrolytic coloring bath Pending JPS5792199A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16799680A JPS5792199A (en) 1980-12-01 1980-12-01 Preventing method for deterioration of tin electrolytic coloring bath

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16799680A JPS5792199A (en) 1980-12-01 1980-12-01 Preventing method for deterioration of tin electrolytic coloring bath

Publications (1)

Publication Number Publication Date
JPS5792199A true JPS5792199A (en) 1982-06-08

Family

ID=15859861

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16799680A Pending JPS5792199A (en) 1980-12-01 1980-12-01 Preventing method for deterioration of tin electrolytic coloring bath

Country Status (1)

Country Link
JP (1) JPS5792199A (en)

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