FR2444726A1 - ELECTROLYTE CONTAINING THIODIGLYCOLLIC ACID FOR DEPOSITION OF "WHITE GOLD" - Google Patents

ELECTROLYTE CONTAINING THIODIGLYCOLLIC ACID FOR DEPOSITION OF "WHITE GOLD"

Info

Publication number
FR2444726A1
FR2444726A1 FR7931085A FR7931085A FR2444726A1 FR 2444726 A1 FR2444726 A1 FR 2444726A1 FR 7931085 A FR7931085 A FR 7931085A FR 7931085 A FR7931085 A FR 7931085A FR 2444726 A1 FR2444726 A1 FR 2444726A1
Authority
FR
France
Prior art keywords
deposition
white gold
electrolyte containing
acid
thiodiglycollic acid
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.)
Withdrawn
Application number
FR7931085A
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.)
INT GOLD CORP Ltd
Original Assignee
INT GOLD CORP 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 INT GOLD CORP Ltd filed Critical INT GOLD CORP Ltd
Publication of FR2444726A1 publication Critical patent/FR2444726A1/en
Withdrawn legal-status Critical Current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
    • C25D3/56—Electroplating: Baths therefor from solutions of alloys
    • C25D3/62—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of gold

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)

Abstract

L'invention concerne un électrolyte destiné à effectuer des dépôts d'or blanc, ainsi qu'un procédé de dépôt électrolytique d'or blanc. L'électrolyte contient un cyanure d'or alcalin, un sel de nickel soluble dans l'eau et un acide hydroxycarboxylique ainsi que de l'acide thiodiglycollique. Application au dépôt de revêtement électrolytique résistant à la corrosion dans le domaine de la bijouterie et de l'optique.The invention relates to an electrolyte for depositing white gold, and a method for electroplating white gold. The electrolyte contains an alkali gold cyanide, a water soluble nickel salt and a hydroxycarboxylic acid as well as thiodiglycollic acid. Application to the deposition of electrolytic coating resistant to corrosion in the field of jewelry and optics.

FR7931085A 1978-12-22 1979-12-19 ELECTROLYTE CONTAINING THIODIGLYCOLLIC ACID FOR DEPOSITION OF "WHITE GOLD" Withdrawn FR2444726A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782855735 DE2855735A1 (en) 1978-12-22 1978-12-22 ELECTROLYTE FOR THE GALVANIC DEPOSITION OF WHITE GOLD ALLOYS AND ITS USE

Publications (1)

Publication Number Publication Date
FR2444726A1 true FR2444726A1 (en) 1980-07-18

Family

ID=6058145

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7931085A Withdrawn FR2444726A1 (en) 1978-12-22 1979-12-19 ELECTROLYTE CONTAINING THIODIGLYCOLLIC ACID FOR DEPOSITION OF "WHITE GOLD"

Country Status (4)

Country Link
JP (1) JPS5594490A (en)
DE (1) DE2855735A1 (en)
FR (1) FR2444726A1 (en)
GB (1) GB2039532A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4670107A (en) * 1986-03-05 1987-06-02 Vanguard Research Associates, Inc. Electrolyte solution and process for high speed gold plating
JP4868121B2 (en) * 2005-12-21 2012-02-01 学校法人早稲田大学 Electroplating solution and method for forming amorphous gold-nickel alloy plating film
EP4245893A1 (en) 2022-03-15 2023-09-20 Université de Franche-Comté Gold electroplating solution and its use for electrodepositing gold with an aged appearance

Also Published As

Publication number Publication date
DE2855735A1 (en) 1980-07-03
GB2039532A (en) 1980-08-13
JPS5594490A (en) 1980-07-17

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Legal Events

Date Code Title Description
ST Notification of lapse