GB564489A - Tin plating from potassium stannate baths - Google Patents
Tin plating from potassium stannate bathsInfo
- Publication number
- GB564489A GB564489A GB3887/43A GB388743A GB564489A GB 564489 A GB564489 A GB 564489A GB 3887/43 A GB3887/43 A GB 3887/43A GB 388743 A GB388743 A GB 388743A GB 564489 A GB564489 A GB 564489A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mols
- per litre
- amperes
- foot
- stannate
- 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
- C25D3/30—Electroplating: Baths therefor from solutions of tin
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
564,489. Electrodeposition of tin. METAL & THERMIT CORPORATION. March 10, 1943, No. 3887. Convention date, Aug. 12, 1942. Drawings to Specification. [Class 41] Tin is deposited from a bath containing .25 to 3 mols. per litre of potassium stannate and .15 to 3.5 mols. per litre of potassium hydroxide and maintained at a temperature within the range of about 50 C. to substantially the boiling point of the electrolyte, the cathode current density being within the range of about 30 to 1000 amperes/sq. foot and the cathode efficiency between about 60 per cent and 100 per cent. In one example, the bath contains 1.21 mols. per litre of stannate and .29 mols. per litre of hydroxide and is maintained at a temperature of substantially 90 C., the anode and cathode current densities being between 60 and 100 amperes/sq. foot. In a second example, the bath contains 1.6 mols. per litre of stannate and 2.14 mols. per litre of hydroxide and is maintained at the same temperature, the anode and cathode current densities being between 150 and 200 amperes /sq. foot. Oxidizing agents, such as hydrogen peroxide and alkali metal perborates and foaming agents, such as potassium resinate or oleate, may be used in the bath. The process is particularly applicable to continuous strip plating.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US454504A US2424472A (en) | 1942-08-12 | 1942-08-12 | Tin plating from potassium stannate baths |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB564489A true GB564489A (en) | 1944-09-29 |
Family
ID=23804875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3887/43A Expired GB564489A (en) | 1942-08-12 | 1943-03-10 | Tin plating from potassium stannate baths |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2424472A (en) |
| GB (1) | GB564489A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2675347A (en) * | 1951-10-15 | 1954-04-13 | Metal & Thermit Corp | Plating of tin-zinc alloys |
| GB1051927A (en) * | 1964-07-10 | |||
| US3455014A (en) * | 1968-01-11 | 1969-07-15 | M & T Chemicals Inc | Method of joining by plating aluminum and alloys thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE299794C (en) * | ||||
| US1841978A (en) * | 1929-02-06 | 1932-01-19 | Roessler & Hasslacher Chemical | Tin plating |
-
1942
- 1942-08-12 US US454504A patent/US2424472A/en not_active Expired - Lifetime
-
1943
- 1943-03-10 GB GB3887/43A patent/GB564489A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2424472A (en) | 1947-07-22 |
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