GB759181A - Improvements in or relating to a process for electrodepositing gold and a composition of matter for use therewith - Google Patents

Improvements in or relating to a process for electrodepositing gold and a composition of matter for use therewith

Info

Publication number
GB759181A
GB759181A GB36038/53A GB3603853A GB759181A GB 759181 A GB759181 A GB 759181A GB 36038/53 A GB36038/53 A GB 36038/53A GB 3603853 A GB3603853 A GB 3603853A GB 759181 A GB759181 A GB 759181A
Authority
GB
United Kingdom
Prior art keywords
potassium
cyanide
gold
grams
silver
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
GB36038/53A
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.)
SEL REX PRECIOUS METALS Inc
Original Assignee
SEL REX PRECIOUS METALS 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 SEL REX PRECIOUS METALS Inc filed Critical SEL REX PRECIOUS METALS Inc
Publication of GB759181A publication Critical patent/GB759181A/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
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/56—Electroplating: Baths therefor from solutions of alloys
    • 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
    • C25D3/04—Electroplating: Baths therefor from solutions of chromium
    • C25D3/10—Electroplating: Baths therefor from solutions of chromium 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
    • C25D3/62—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of gold

Abstract

759,181. Electrodeposition of bright gold alloy. SEL-REX PRECIOUS METALS, Inc. Dec. 29, 1953 [April 1, 1953], No. 36038/53. Class 41. Bright gold alloy is deposited by electrolysis of a bath containing potassium gold cyanide, free potassium cyanide, and an amount of potassium silver cyanide less than that which would give a green tinge to the gold. Typically the bath comprises in one litre of water 90 grams of potassium cyanide, 12 grams of potassium gold cyanide containing 20.99 grams of gold per Troy ounce, and 0.16 grams potassium silver cyanide. The bath may also contain 3.5 grams of potassium nickel cyanide as a hardening agent and/or 8 grams of sodium thiosulphate as a brightening agent. The potassium cyanide and potassium silver cyanide may be dissolved in water first and added to a potassium gold cyanide solution. The deposited alloy consists of 99 per cent gold and 1 per cent silver.
GB36038/53A 1953-04-01 1953-12-29 Improvements in or relating to a process for electrodepositing gold and a composition of matter for use therewith Expired GB759181A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US759181XA 1953-04-01 1953-04-01

Publications (1)

Publication Number Publication Date
GB759181A true GB759181A (en) 1956-10-17

Family

ID=31981858

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36038/53A Expired GB759181A (en) 1953-04-01 1953-12-29 Improvements in or relating to a process for electrodepositing gold and a composition of matter for use therewith

Country Status (4)

Country Link
CH (1) CH326573A (en)
DE (3) DE1055315B (en)
FR (1) FR1097665A (en)
GB (1) GB759181A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL277803A (en) * 1961-05-01

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE743955C (en) * 1940-09-21 1944-01-06 Dr Max Hischmann Process for the production of gold and gold alloy deposits from permanent baths by means of electrical current
DE801312C (en) * 1949-05-05 1950-11-23 Pforzheimer Elektrizitäts - Gesellschaft m. b. H., Pforzheim Process for the electrolytic deposition of gold and gold alloys

Also Published As

Publication number Publication date
DE1120238B (en) 1961-12-21
FR1097665A (en) 1955-07-08
DE1055315B (en) 1959-04-16
DE1089612B (en) 1960-09-22
CH326573A (en) 1957-12-31

Similar Documents

Publication Publication Date Title
ES438408A1 (en) Bath and process for the electrolytic separation of rare metal alloys
ES434856A1 (en) Plating bath for electrodeposition of bright tin and tin-lead alloy
ES450677A1 (en) Process for making ferro-nickel shot for electroplating and shot made thereby
GB989003A (en)
GB500113A (en) Improvements in processes for nickel-plating of aluminium and its alloys
GB1224507A (en) Electrodepositing a pink gold alloy
ES382607A1 (en) Electrodeposition of gold and gold alloys
KR870011277A (en) Gold electroplating bath
GB759181A (en) Improvements in or relating to a process for electrodepositing gold and a composition of matter for use therewith
ES452704A1 (en) Silver plating
US3586611A (en) Process for the electrolytic deposition of gold-copper-cadmium alloys
GB1283024A (en) Electro-depositing silver alloys
ES251551A1 (en) Platinum plating composition and process
GB718573A (en) Process for the deposition of gold or gold alloys by electroplating and bath for carrying out said process
ES379357A1 (en) Electrodeposition of nickel
GB1234793A (en) Brightening and hardening additive for electrolytic silvering baths
JPS55115986A (en) Suppressing method for oxidation of tin in gold-tin alloy electroplating
GB847957A (en) Electrolytic production of alloy gold
US2757134A (en) Zinc cyanide electrolyte
JPS579893A (en) Gold alloy plating bath
GB847949A (en) Process for replenishing the content of alloy metals in electrolytic baths for the deposition of gold alloys
GB526966A (en) Improvements in or relating to methods of electrobuffing nickel
GB786768A (en) Aqueous zinc-tin alloy electroplating bath
ES375291A1 (en) A method for the adherent, brilliant gold electrodeposition. (Machine-translation by Google Translate, not legally binding)
GB1244095A (en) Method for electrolytic gold-silver plating