GB224065A - An improved process for obtaining a deposition of chromium by electrolysis - Google Patents
An improved process for obtaining a deposition of chromium by electrolysisInfo
- Publication number
- GB224065A GB224065A GB2558423A GB2558423A GB224065A GB 224065 A GB224065 A GB 224065A GB 2558423 A GB2558423 A GB 2558423A GB 2558423 A GB2558423 A GB 2558423A GB 224065 A GB224065 A GB 224065A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chromium
- acid
- bath
- depositing
- per cent
- 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
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/10—Electrodes, e.g. composition, counter electrode
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
224,065. Coignard, A. J. Oct. 13, 1923. Chromium, depositing; supporting electrodes; coloured surfaces, producing. - In depositing chromium from an alkaline, acid, or neutral electrolyte containing chloride or other salt of chromium, or from a bichromate, chromic acid or like compound, anodes consisting of ferrochromium or a chromium ore or compound supported on perforated or network baskets or trays of a conductive material which is not soluble in the bath, such as lead, are employed. The concentration of the electrolyte may be from 10 to 50 per cent. Two per cent of hydrochloric, sulphuric or other acid may be added when electrolysing at 80‹ C., a smaller acidulation sufficing at a lower temperature. The bath may be cooled or heated by an internal or external coil. At low temperatures the deposit is of a dull blue colour and at high temperatures white.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2558423A GB224065A (en) | 1923-10-13 | 1923-10-13 | An improved process for obtaining a deposition of chromium by electrolysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2558423A GB224065A (en) | 1923-10-13 | 1923-10-13 | An improved process for obtaining a deposition of chromium by electrolysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB224065A true GB224065A (en) | 1924-11-06 |
Family
ID=10230035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2558423A Expired GB224065A (en) | 1923-10-13 | 1923-10-13 | An improved process for obtaining a deposition of chromium by electrolysis |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB224065A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2771413A (en) * | 1951-06-27 | 1956-11-20 | Reginald S Dean | Electrodeposition of chromium |
| US2771414A (en) * | 1951-06-27 | 1956-11-20 | Reginald S Dean | Method of making electrolytic chromium |
-
1923
- 1923-10-13 GB GB2558423A patent/GB224065A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2771413A (en) * | 1951-06-27 | 1956-11-20 | Reginald S Dean | Electrodeposition of chromium |
| US2771414A (en) * | 1951-06-27 | 1956-11-20 | Reginald S Dean | Method of making electrolytic chromium |
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