GB190801344A - An Improved Process for Making Electrolytic Depositions of Chromium. - Google Patents
An Improved Process for Making Electrolytic Depositions of Chromium.Info
- Publication number
- GB190801344A GB190801344A GB190801344DA GB190801344A GB 190801344 A GB190801344 A GB 190801344A GB 190801344D A GB190801344D A GB 190801344DA GB 190801344 A GB190801344 A GB 190801344A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chromium
- acid
- chromic acid
- oxide
- improved process
- 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
Landscapes
- Electroplating And Plating Baths Therefor (AREA)
Abstract
1344. Salzer, F. Jan. 21, 1907, [date applied for under Section 91 of Patents &c. Act, 1907]. Chromium, depositing.-Chromium is deposited from an electrolyte containing a mixture of chromic acid and chromium oxide in equal weights, or with less chromium oxide but not less than half the weight of the chromic acid, the proportions being maintained as constant as possible throughout the process. An acid may be added to improve the conductivity of the solution. The bath may be made by a partial reduction of chromic acid by electrolysis, or by simply mixing the oxide and acid. In the Specification in the original form, as open to inspection under Section 91 (3) (a), it is stated that the baths may be made by the partial reduction of chromic acid by purely chemical means, or by the partial oxidation of chromium salts, and that the character of the deposit may be varied by varying the concentration and the acid addition. This subject-matter does not appear in the Complete Specification as accepted.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE190801344X | 1907-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB190801344A true GB190801344A (en) | 1908-09-24 |
Family
ID=32603962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB190801344D Expired GB190801344A (en) | 1907-01-21 | 1908-01-20 | An Improved Process for Making Electrolytic Depositions of Chromium. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB190801344A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112964534A (en) * | 2021-03-19 | 2021-06-15 | 中铁工程装备集团有限公司 | Etchant for GCr18Mo grain size determination, method and application |
-
1908
- 1908-01-20 GB GB190801344D patent/GB190801344A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112964534A (en) * | 2021-03-19 | 2021-06-15 | 中铁工程装备集团有限公司 | Etchant for GCr18Mo grain size determination, method and application |
| CN112964534B (en) * | 2021-03-19 | 2022-09-09 | 中铁工程装备集团有限公司 | Etchant for GCr18Mo grain size determination, method and application |
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