GB1459569A - Chromium electro plating - Google Patents

Chromium electro plating

Info

Publication number
GB1459569A
GB1459569A GB2818474A GB2818474A GB1459569A GB 1459569 A GB1459569 A GB 1459569A GB 2818474 A GB2818474 A GB 2818474A GB 2818474 A GB2818474 A GB 2818474A GB 1459569 A GB1459569 A GB 1459569A
Authority
GB
United Kingdom
Prior art keywords
complex
plated
ions
chromium
fluoride
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
GB2818474A
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.)
M&T Chemicals Inc
Original Assignee
M&T Chemicals Inc
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 M&T Chemicals Inc filed Critical M&T Chemicals Inc
Publication of GB1459569A publication Critical patent/GB1459569A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00Electroplating: Baths therefor
    • C25D3/02Electroplating: Baths therefor from solutions
    • C25D3/04Electroplating: Baths therefor from solutions of chromium

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)
  • Chemical Treatment Of Metals (AREA)
  • Electroplating Methods And Accessories (AREA)

Abstract

1459569 Chromium electro-plating M & T CHEMICALS Inc 25 June 1974 [30 Aug 1973] 28184/74 Heading C7B Chromium is electro-plated from an aqueous acidic bath containing Cr (VI), Al ions, SO 4 <SP> =</SP> and fluoride and/or complex fluoride ions wherein the gm ion/unit volume concentration ratio of soluble F and/or complex fluoride to soluble Al ions is 0À5 to 6. The Al and/or F (or complex) may be provided in part by AlF 3 , Al 2 F 6 or Na 3 AlF 6 . Al may be added as Al(OH) 3 . F (or complex) may be provided by HF or an alkali or alkaline earth metal salt thereof or a complex ion such as SiF 6 . BF 4, TiF 6 or ZrF 6 . The bath is otherwise conventional and may be used at 27- 90‹C, with a c.d. of 1À0-90 A/dm<SP>2</SP> and Pb or Pb alloy anodes. Substrates of stainless steel, Al, Al alloys, Ni, Ni-Co or Zn plated Cu may be plated.
GB2818474A 1973-08-30 1974-06-25 Chromium electro plating Expired GB1459569A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US39307273A 1973-08-30 1973-08-30

Publications (1)

Publication Number Publication Date
GB1459569A true GB1459569A (en) 1976-12-22

Family

ID=23553161

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2818474A Expired GB1459569A (en) 1973-08-30 1974-06-25 Chromium electro plating

Country Status (11)

Country Link
JP (1) JPS5728753B2 (en)
BE (1) BE815301A (en)
CA (1) CA1057231A (en)
DE (1) DE2422076A1 (en)
ES (1) ES426214A1 (en)
FR (1) FR2242489B1 (en)
GB (1) GB1459569A (en)
IT (1) IT1018226B (en)
NL (1) NL7411574A (en)
SE (1) SE7409083L (en)
ZA (1) ZA744725B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1507026A1 (en) * 2003-08-14 2005-02-16 Enthone Inc. Process for selective or complete inertisation of workpieces and system parts by means of non-reactive platings

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US303114A (en) * 1884-08-05 Car-brake

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1507026A1 (en) * 2003-08-14 2005-02-16 Enthone Inc. Process for selective or complete inertisation of workpieces and system parts by means of non-reactive platings

Also Published As

Publication number Publication date
ES426214A1 (en) 1976-11-16
CA1057231A (en) 1979-06-26
ZA744725B (en) 1975-12-31
SE7409083L (en) 1975-03-03
NL7411574A (en) 1975-03-04
JPS5728753B2 (en) 1982-06-18
FR2242489B1 (en) 1979-02-16
DE2422076A1 (en) 1975-04-10
JPS5072837A (en) 1975-06-16
FR2242489A1 (en) 1975-03-28
BE815301A (en) 1974-09-16
IT1018226B (en) 1977-09-30

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee