FR1181868A - Method for restoring the metal alloy content in galvanic gold deposit baths - Google Patents

Method for restoring the metal alloy content in galvanic gold deposit baths

Info

Publication number
FR1181868A
FR1181868A FR1181868DA FR1181868A FR 1181868 A FR1181868 A FR 1181868A FR 1181868D A FR1181868D A FR 1181868DA FR 1181868 A FR1181868 A FR 1181868A
Authority
FR
France
Prior art keywords
baths
restoring
metal alloy
alloy content
gold deposit
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.)
Expired
Application number
Other languages
French (fr)
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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
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 Degussa GmbH, Deutsche Gold und Silber Scheideanstalt filed Critical Degussa GmbH
Application granted granted Critical
Publication of FR1181868A publication Critical patent/FR1181868A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D21/00—Processes for servicing or operating cells for electrolytic coating
    • C25D21/16—Regeneration of process solutions
    • C25D21/18—Regeneration of process solutions of electrolytes
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/56—Electroplating: Baths therefor from solutions of alloys
    • C25D3/62—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of gold
FR1181868D 1956-09-08 1957-08-31 Method for restoring the metal alloy content in galvanic gold deposit baths Expired FR1181868A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED23782A DE1032636B (en) 1956-09-08 1956-09-08 Supplementary solution to reduce the increase in alkalinity in cyanidic baths for the galvanic deposition of gold alloys

Publications (1)

Publication Number Publication Date
FR1181868A true FR1181868A (en) 1959-06-19

Family

ID=7037952

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1181868D Expired FR1181868A (en) 1956-09-08 1957-08-31 Method for restoring the metal alloy content in galvanic gold deposit baths

Country Status (5)

Country Link
CH (1) CH357936A (en)
DE (1) DE1032636B (en)
FR (1) FR1181868A (en)
GB (1) GB847949A (en)
NL (2) NL219700A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3149057A (en) * 1959-04-27 1964-09-15 Technic Acid gold plating
US3056733A (en) * 1960-04-23 1962-10-02 Degussa Process for electrolytic deposition of gold-copper-cadmium alloys
DE3929569C1 (en) * 1989-09-06 1991-04-18 Degussa Ag, 6000 Frankfurt, De

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE103155C (en) *

Also Published As

Publication number Publication date
NL219700A (en)
NL103564C (en)
GB847949A (en) 1960-09-14
CH357936A (en) 1961-10-31
DE1032636B (en) 1958-06-19

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