Source:http://linkedlifedata.com/resource/pubmed/id/12852559
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
3
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pubmed:dateCreated |
2003-7-10
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pubmed:abstractText |
A method based on headspace solid-phase microextraction and cryogenic gas chromatography with flame ionization detection was developed for the determination of volatile residual solvents in traditional Chinese medicines. A laboratory-made cryogenic chromatographic system was used for the separation of 15 kinds of residual solvents. During the analysis, a 65 microm PDMS/DVB fiber was used to extract the residual solvents, the extraction time was controlled at 0 degrees C for 15 min, and the NaCl content of the sample was maintained at 30%. The limits of detection ranged from 0.08 (for octane) to 5000 microg/L (for ethanol), and the relative standard deviations were < 8%. The recoveries from spiked samples ranged from 88 to 112%. Trace levels of residual solvents in several traditional Chinese medicines were effectively identified and quantified.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:issn |
1060-3271
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
86
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
461-6
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pubmed:dateRevised |
2008-3-17
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pubmed:meshHeading | |
pubmed:articleTitle |
Determination of volatile residual solvents in traditional Chinese medicines by headspace solid-phase microextraction and cryogenic gas chromatography with flame ionization detection.
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pubmed:affiliation |
Chinese Academy of Sciences, Research Center for Eco-Environmental Sciences, PO Box 2871, Beijing 100085, People's Republic of China.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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