http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-103805982-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C23C22-37 |
| filingDate | 2012-11-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2017-02-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2017-02-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-103805982-B |
| titleOfInvention | Nickel passivation solution, preparation method thereof and method for passivating nickel surface |
| abstract | The invention provides a nickel passivation solution and a preparation method thereof. The nickel passivation solution contains the following components: 1-5g/L of chromic anhydride, 20-50g/L of sulfuric acid, 0.5-2g/L of nano silica and 5-20g/L of fluoroboric acid. The invention also provides a method for passivating a nickel surface by adopting the nickel passivation solution. By adopting the nickel passivation solution provided by the invention, a stable and permanent passivation layer can be formed on the metallic nickel surface and the salt mist resistance time is greatly lengthened. Meanwhile, the nickel passivation solution provided by the invention has lower content of hexavalent chromium, is safe and environment-friendly and is suitable for plastic workpieces and workpieces with surfaces locally metalized. |
| priorityDate | 2012-11-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 29.