http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-106044834-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2004-03 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2004-61 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01F17-206 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01F17-00 |
| filingDate | 2016-06-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2018-06-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2018-06-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-106044834-B |
| titleOfInvention | A kind of preparation method of 1-2 microns of samarium oxide |
| abstract | The present invention discloses a kind of preparation method of 12 microns of samarium oxides, and its step are as follows：The first step, concentration of oxalic acid are 0.8 1.5mol/L, and it is 35 that the ammonia spirit for being 28% with mass percentage concentration, which adjusts pH, and add in 5% 10% dispersant polyethylene glycol of samarium oxide quality；Samarium trichloride solution concentration is 0.8 2.0mol/L, and it is 2 that the ammonia spirit for being 28% with mass percentage concentration, which adjusts pH,；Second step, by oxalic acid and samarium trichloride solution using molar ratio as 1.8：The first step under the conditions of 40 60 DEG C of constant temperature, is adjusted the samarium trichloride solution after pH value and is added in the oxalic acid solution after the first step adjusts pH value, the time is 3 20 minutes by 1 proportioning；Third walks, after having reacted, filtration washing；And in 900 1000 DEG C of calcinations, keep the temperature 2 hours；Obtain grain size be 12 microns, particle uniformly, pattern be rodlike ultra-fine samarium oxide product. |
| priorityDate | 2016-06-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 22.