GB381932A - Improvements relating to the electro-deposition of palladium - Google Patents
Improvements relating to the electro-deposition of palladiumInfo
- Publication number
- GB381932A GB381932A GB20008/31A GB2000831A GB381932A GB 381932 A GB381932 A GB 381932A GB 20008/31 A GB20008/31 A GB 20008/31A GB 2000831 A GB2000831 A GB 2000831A GB 381932 A GB381932 A GB 381932A
- Authority
- GB
- United Kingdom
- Prior art keywords
- palladium
- copper
- nickel
- gms
- bromide
- 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
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
Abstract
381,932. Electrodeposition of palladium. MOND NICKEL CO., Ltd., Thames House, Millbank, and RAPER, A. R., of Mond Nickel Co., Bashley Road, both in London. July 11, 1931, No. 20008. [Class 41.] A palladium anode is employed in an electrolyte capable of dissolving the anode at substantially the rate of deposition. The electrolyte may consist of a solution of a palladonitrite of one or more alkali or alkaline earth metals together with a chloride or bromide of an alkali or alkaline earth metal or a mixture of these halides. The concentration of palladium is preferably 10 gms. per litre and that of the halide 10-30 gms. per litre. Detailed instructions are given for preparing baths from sodium and potassium palladonitrites and also direct from palladium. The anodes may consist of pure hard rolled palladium sheet or mav be cast. Thev may be enclosed in unbleached calico bags. The baths are preferably operated at 40-50 C. Silver, gold, copper, brass, bronze, palladium and nickelsilver articles may be plated directly ; nickel, iron and steel are given a preliminary coating of copper or silver or both from a cyanide bath. When plating copper and other base metal articles from a bath containing a bromide, room temperature should not be exceeded ; higher temperatures may, however, be employed if a preliminary strike of palladium is deposited from an ammoniacal solution.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB20008/31A GB381932A (en) | 1931-07-11 | 1931-07-11 | Improvements relating to the electro-deposition of palladium |
| DEM119824D DE587807C (en) | 1931-07-11 | 1932-05-12 | Process for the electrolytic deposition of palladium |
| FR737752D FR737752A (en) | 1931-07-11 | 1932-05-27 | Improvements relating to the formation of an electrolytic deposit of palladium |
| US621754A US1993623A (en) | 1931-07-11 | 1932-07-09 | Electrodeposition of platinum metals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB20008/31A GB381932A (en) | 1931-07-11 | 1931-07-11 | Improvements relating to the electro-deposition of palladium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB381932A true GB381932A (en) | 1932-10-11 |
Family
ID=10138818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB20008/31A Expired GB381932A (en) | 1931-07-11 | 1931-07-11 | Improvements relating to the electro-deposition of palladium |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1993623A (en) |
| DE (1) | DE587807C (en) |
| FR (1) | FR737752A (en) |
| GB (1) | GB381932A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1182924B (en) * | 1959-09-30 | 1964-12-03 | Johnson Matthey Co Ltd | Acid bath and process for galvanic deposition of platinum or palladium coatings |
| US4328286A (en) | 1979-04-26 | 1982-05-04 | The International Nickel Co., Inc. | Electrodeposited palladium, method of preparation and electrical contact made thereby |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB544534A (en) * | 1940-05-20 | 1942-04-16 | Mond Nickel Co Ltd | Improvements relating to the electro-deposition of palladium |
| FR1356353A (en) * | 1963-02-12 | 1964-03-27 | Louyot Comptoir Lyon Alemand | Process for the electrolytic deposition of a layer of platinum and electrolyte for carrying out the process |
| US4401527A (en) * | 1979-08-20 | 1983-08-30 | Occidental Chemical Corporation | Process for the electrodeposition of palladium |
| US4299670A (en) * | 1980-09-22 | 1981-11-10 | Bell Telephone Laboratories, Incorporated | Palladium plating procedure and bath |
| US4284482A (en) * | 1980-09-22 | 1981-08-18 | Bell Telephone Laboratories, Incorporated | Palladium treatment procedure |
| US4316779A (en) * | 1980-09-26 | 1982-02-23 | Bell Telephone Laboratories, Incorporated | Process for electroplating palladium on articles comprising copper |
| FR2539145B1 (en) * | 1983-01-07 | 1986-08-29 | Omi Int Corp | PROCESS FOR FORMING AT HIGH SPEED, BY ELECTROLYSIS, A PALLADIUM COATING LAYER ON A SUBSTRATE AND A BATH FOR THE IMPLEMENTATION OF THIS PROCESS |
| FR2974582A1 (en) * | 2011-04-27 | 2012-11-02 | Commissariat Energie Atomique | PROCESS FOR GROWING METALLIC PARTICLES BY ELECTRODEPOSITION WITH IN SITU INHIBITION |
-
1931
- 1931-07-11 GB GB20008/31A patent/GB381932A/en not_active Expired
-
1932
- 1932-05-12 DE DEM119824D patent/DE587807C/en not_active Expired
- 1932-05-27 FR FR737752D patent/FR737752A/en not_active Expired
- 1932-07-09 US US621754A patent/US1993623A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1182924B (en) * | 1959-09-30 | 1964-12-03 | Johnson Matthey Co Ltd | Acid bath and process for galvanic deposition of platinum or palladium coatings |
| US4328286A (en) | 1979-04-26 | 1982-05-04 | The International Nickel Co., Inc. | Electrodeposited palladium, method of preparation and electrical contact made thereby |
Also Published As
| Publication number | Publication date |
|---|---|
| DE587807C (en) | 1933-11-09 |
| US1993623A (en) | 1935-03-05 |
| FR737752A (en) | 1932-12-16 |
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