http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-108020610-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01N30-8634 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01N30-72 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01N30-02 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01N30-86 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01N30-72 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01N30-02 |
| filingDate | 2017-12-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2020-11-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2020-11-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-108020610-B |
| titleOfInvention | Method for detecting residual petroleum ether in ginkgo leaf dropping pills |
| abstract | The invention relates to a method for detecting residual petroleum ether in a ginkgo leaf dripping pill, which comprises the following steps: step 1, solution preparation: preparing a test solution, a reference solution, a petroleum ether positioning solution and a positioning solution by taking DMF as a solvent; precisely measuring DMF, a test solution, a petroleum ether positioning solution, 5ml headspace of each positioning solution and a reference solution, injecting into a gas chromatograph, recording a chromatogram, calculating peak areas according to chromatographic peaks, and calculating the content of 7 main components of petroleum ether by using normal hexane as a reference external standard method; the method can be used for controlling the product quality of the ginkgo leaf dripping pills and improving the medication safety of patients. |
| priorityDate | 2017-12-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 53.