GB395979A - Improvements in or relating to producing nickel layers on iron or steel - Google Patents
Improvements in or relating to producing nickel layers on iron or steelInfo
- Publication number
- GB395979A GB395979A GB4491/33A GB449133A GB395979A GB 395979 A GB395979 A GB 395979A GB 4491/33 A GB4491/33 A GB 4491/33A GB 449133 A GB449133 A GB 449133A GB 395979 A GB395979 A GB 395979A
- Authority
- GB
- United Kingdom
- Prior art keywords
- nickel
- iron
- tartrate
- acid
- bath
- 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
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
- C25D5/36—Pretreatment of metallic surfaces to be electroplated of iron or steel
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)
- Electroplating And Plating Baths Therefor (AREA)
Abstract
395,979. Electrodeposition of nickel. WURSTEMBERGER, F. VON, 441, Seestrasse, Z³rich, Switzerland. Feb. 14, 1933, No. 4491. Convention date, March 4, 1932. [Class 41.] Iron or steel before plating with nickel is anodically treated in sulphuric acid for passivation and slight etching. After brief rinsing it is plated in a bath containing a nickel salt, a conducting salt such as magnesium or sodium sulphate, a buffer acid such as boric acid, and a tartrate such as sodium potassium tartrate. With such a bath, iron compounds unavoidably introduced by the preliminary treatment of the articles, produce no adverse effects. The tartrate may be introduced by acidifying with tartaric acid a bath previously rendered alkaline with nickel carbonate, caustic soda or caustic potash. Detailed examples are given.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE395979X | 1932-03-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB395979A true GB395979A (en) | 1933-07-27 |
Family
ID=6396948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4491/33A Expired GB395979A (en) | 1932-03-04 | 1933-02-14 | Improvements in or relating to producing nickel layers on iron or steel |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR751330A (en) |
| GB (1) | GB395979A (en) |
-
1933
- 1933-02-14 GB GB4491/33A patent/GB395979A/en not_active Expired
- 1933-02-24 FR FR751330D patent/FR751330A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR751330A (en) | 1933-08-31 |
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