http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-109781900-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_45050744e0b65b272a5aec65f6062304 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01N30-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01N30-02 |
| filingDate | 2019-03-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_88a8dd52121742c30f8b9bf753e7f64e http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_bd4f8c8e1476ef0a6275c4035c3bc05e http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a20ec45bd9e1764f304870a87b57a2f4 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1e4dffe84600f18c47176604fd6284be |
| publicationDate | 2019-05-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-109781900-A |
| titleOfInvention | A kind of HPLC detection method of the Oxiracetam in relation to substance |
| abstract | A kind of HPLC detection method the present invention provides Oxiracetam in relation to substance, especially good separation Oxiracetam and two efficient liquid-phase chromatography method in relation to substance N- (2- amino -2- oxoethyl) -2- (4- hydroxyl -2- oxo-pyrrolidine -1- base) acetamide and 4- hydroxyl yrrolidone, chromatographic condition are as follows: chromatographic column: XAmide, 4.6mm × 250mm, 5 μm；Column temperature: 30 DEG C；Flow velocity: 1.0ml/min；Detection wavelength: 205nm；Sampling volume: 20 μ l；Mobile phase A: acetonitrile, Mobile phase B: water；(A:B volume ratio is 95:5)；The method of the present invention is on the basis of existing control method, by changing stationary phase type and flow visualizing, allow Oxiracetam and two in relation to substance reach good separation in chromatography, the control of product quality during easy to produce, with simple and easy, accuracy and precision is high, stability and the advantages of favorable reproducibility. |
| priorityDate | 2019-03-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 39.