http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-110344089-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C25D3-48 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C25D3-48 |
| filingDate | 2019-06-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-11-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-11-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-110344089-B |
| titleOfInvention | Gold sodium sulfite plating solution and electroplating method thereof |
| abstract | The invention discloses a gold sodium sulfite plating solution and an electroplating method thereof, relates to the field of gold plating solutions, and aims to find a gold plating solution which does not contain cyanide ions and has stable properties to replace a cyanide gold plating process, reduce the harm to the environment and operators, and simultaneously ensure that the plating solution has stable chemical and physical properties and can meet the requirements of transportation and storage. The invention provides a cyanide-free gold plating solution, wherein the gold sodium sulfite plating solution comprises gold sulfite salt, a complexing agent, a conductive agent, a current stabilizer and a buffer solution. The invention has the beneficial effects that: gold ions in the solution are more stable, and the storage time of the plating solution is longer; the brightener is added into the composition, so that the surface of the gold-plated layer is more fine and smooth, the gaps are reduced, and the surface gloss of the gold-plated layer is better; the dispersant is added into the composition, so that the plating solution has good stability and dispersibility, good uniformity, high cathode current efficiency, good welding performance of the plating layer, good corrosion resistance and good binding force. |
| priorityDate | 2019-06-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 52.