GB357887A - Method of treating cadmium plated goods - Google Patents
Method of treating cadmium plated goodsInfo
- Publication number
- GB357887A GB357887A GB3875830A GB3875830A GB357887A GB 357887 A GB357887 A GB 357887A GB 3875830 A GB3875830 A GB 3875830A GB 3875830 A GB3875830 A GB 3875830A GB 357887 A GB357887 A GB 357887A
- Authority
- GB
- United Kingdom
- Prior art keywords
- articles
- bath
- nitric acid
- cold water
- cadmium
- 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
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/48—After-treatment of electroplated surfaces
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
357,887. Electroplating. JACKSON, L. MELLERSH-, 28, Southampton Buildings, London.-(Ncal, C. T. ; 3rd National Bank Building, Springfield, Massachusetts, U.S.A.) Dec. 23, 1930, No. 38758. [Class 41.] Cadmium-plated articles are given a lustrous surface by subjecting them after withdrawal from the electrolytic bath without drying to the action of an extremely dilute aqueous solution of nitric acid. The articles may be dipped in the brightening bath immediately or they may be allowed to stand in the electrolytic bath with the current turned off or in cold water. Preferably they are washed in cold water so as to remove part but not all of the adherent alkaline electrolyte. The brightening bath preferably consists of a solution of 1 oz. commercial nitric acid (s.g. 1.355) to 1 gallon of water. The period of immersion should be 5-15 seconds. After treatment the articles are rinsed and dried. Cadmium surfaces which have become dull are subjected to a momentary further plating and then treated as above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3875830A GB357887A (en) | 1930-12-23 | 1930-12-23 | Method of treating cadmium plated goods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3875830A GB357887A (en) | 1930-12-23 | 1930-12-23 | Method of treating cadmium plated goods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB357887A true GB357887A (en) | 1931-10-01 |
Family
ID=10405514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3875830A Expired GB357887A (en) | 1930-12-23 | 1930-12-23 | Method of treating cadmium plated goods |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB357887A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1207182B (en) * | 1961-03-21 | 1965-12-16 | Conversion Chem Corp | Bath and process for chemical glazing of cadmium surfaces |
| CN112458471A (en) * | 2020-10-23 | 2021-03-09 | 武汉拓材科技有限公司 | Cleaning device and method for ultra-high-purity cadmium rod |
| CN112575334A (en) * | 2020-11-24 | 2021-03-30 | 清远先导材料有限公司 | Acid pickling process for ultra-high-purity cadmium |
-
1930
- 1930-12-23 GB GB3875830A patent/GB357887A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1207182B (en) * | 1961-03-21 | 1965-12-16 | Conversion Chem Corp | Bath and process for chemical glazing of cadmium surfaces |
| CN112458471A (en) * | 2020-10-23 | 2021-03-09 | 武汉拓材科技有限公司 | Cleaning device and method for ultra-high-purity cadmium rod |
| CN112575334A (en) * | 2020-11-24 | 2021-03-30 | 清远先导材料有限公司 | Acid pickling process for ultra-high-purity cadmium |
| CN112575334B (en) * | 2020-11-24 | 2022-08-12 | 清远先导材料有限公司 | Acid pickling process for ultra-high-purity cadmium |
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