FR2356747A1 - Bain aqueux pour le depot electrolytique de palladium et ses alliages - Google Patents

Bain aqueux pour le depot electrolytique de palladium et ses alliages

Info

Publication number
FR2356747A1
FR2356747A1 FR7719674A FR7719674A FR2356747A1 FR 2356747 A1 FR2356747 A1 FR 2356747A1 FR 7719674 A FR7719674 A FR 7719674A FR 7719674 A FR7719674 A FR 7719674A FR 2356747 A1 FR2356747 A1 FR 2356747A1
Authority
FR
France
Prior art keywords
bath
pyruvic acid
contg
sulphite
electrodeposition
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.)
Granted
Application number
FR7719674A
Other languages
English (en)
Other versions
FR2356747B1 (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.)
SYSTEMES TRAITEMENTS SURFACES
Original Assignee
SYSTEMES TRAITEMENTS SURFACES
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 SYSTEMES TRAITEMENTS SURFACES filed Critical SYSTEMES TRAITEMENTS SURFACES
Publication of FR2356747A1 publication Critical patent/FR2356747A1/fr
Application granted granted Critical
Publication of FR2356747B1 publication Critical patent/FR2356747B1/fr
Granted 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
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/50—Electroplating: Baths therefor from solutions of platinum group metals
    • C25D3/52—Electroplating: Baths therefor from solutions of platinum group metals characterised by the organic bath constituents used
    • 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
    • C25D3/567—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of platinum group metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
  • Chemically Coating (AREA)

Abstract

L'invention concerne un bain aqueux pour le dépôt électrolytique de palladium ou d'alliages de palladium sur un acide conducteur ou rendu conducteur, contenant un composé de palladium bi ou tetra-coordonné et un sulfite alcalin. Selon l'invention, il contient de l'acide pyruvique (acide acétylformique) ou un de ses sels solubles et le rapport molaire ØSO3 õ/ØPdõ et compris entre 2 et 4. L'invention s'applique notamment aux traitements de surface.
FR7719674A 1976-06-28 1977-06-27 Bain aqueux pour le depot electrolytique de palladium et ses alliages Granted FR2356747A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH832276A CH597372A5 (fr) 1976-06-28 1976-06-28

Publications (2)

Publication Number Publication Date
FR2356747A1 true FR2356747A1 (fr) 1978-01-27
FR2356747B1 FR2356747B1 (fr) 1981-04-30

Family

ID=4338548

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7719674A Granted FR2356747A1 (fr) 1976-06-28 1977-06-27 Bain aqueux pour le depot electrolytique de palladium et ses alliages

Country Status (3)

Country Link
CH (1) CH597372A5 (fr)
DE (1) DE2729116A1 (fr)
FR (1) FR2356747A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0065100A1 (fr) * 1981-05-13 1982-11-24 Degussa Aktiengesellschaft Bain de dépôt galvanique de palladium

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1171734A (en) * 1967-09-08 1969-11-26 Sel Rex Corp Improvements in and relating to the electro-deposition of palladium.
US3530050A (en) * 1964-06-12 1970-09-22 Johnson Matthey Co Ltd Electrodeposition of palladium
FR2227343A1 (fr) * 1973-04-27 1974-11-22 Oxy Metal Finishing Corp
FR2300146A1 (fr) * 1975-02-07 1976-09-03 Schering Ag Bain pour l'electrodeposition d'alliages de palladium et de nickel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3530050A (en) * 1964-06-12 1970-09-22 Johnson Matthey Co Ltd Electrodeposition of palladium
GB1171734A (en) * 1967-09-08 1969-11-26 Sel Rex Corp Improvements in and relating to the electro-deposition of palladium.
FR2227343A1 (fr) * 1973-04-27 1974-11-22 Oxy Metal Finishing Corp
FR2300146A1 (fr) * 1975-02-07 1976-09-03 Schering Ag Bain pour l'electrodeposition d'alliages de palladium et de nickel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0065100A1 (fr) * 1981-05-13 1982-11-24 Degussa Aktiengesellschaft Bain de dépôt galvanique de palladium

Also Published As

Publication number Publication date
DE2729116C2 (fr) 1987-01-29
DE2729116A1 (de) 1978-01-05
CH597372A5 (fr) 1978-03-31
FR2356747B1 (fr) 1981-04-30

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Legal Events

Date Code Title Description
ST Notification of lapse