Linked Life Data

17165534

Source:http://linkedlifedata.com/resource/pubmed/id/17165534

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
2006-12-14
pubmed:abstractText
An analytical method was developed for the simultaneous determination of 23 pesticide residues in various commercial honeys. Meanwhile, the characteristic ions and fragmentation mechanism of three pesticides in the process of electron ionization mass spectrometry (EI/MS) were evaluated. After the optimization of different parameters such as the extraction solvent, pesticides were extracted from honey with ethyl acetate in an ultrasonic bath, cleaned up on a Florisil column by an elution of mixture of hexane and ethyl acetate (7:3, v/v), and analyzed by gas chromatography-electron ionization mass spectrometry (GC-EI/MS) in the selected ion monitoring mode (SIM) with PCB103 as internal standard. Recovery studies were performed at 50, 100 and 200 microg/kg fortification levels for each pesticide, and the recoveries ranged from 82% to 120% with relative st0ndard deviations between 1.8% and 11.0% for different pesticides. The limit of detection was less than 10.0 microg/kg for all the pesticides. The developed method was linear in the range of 10-500 microg/kg, with correlation coefficients larger than 0.995. Finally, the developed analytical method has been successfully applied to the determination of pesticide residues in several honey samples.
pubmed:language
chi
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
1000-8713
pubmed:author
pubmed:issnType
Print
pubmed:volume
24
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
440-6
pubmed:meshHeading
pubmed:year
2006
pubmed:articleTitle
[Determination of multiple pesticide residues in honey using gas chromatography-mass spectrometry].
pubmed:affiliation
Key Laboratory of Analytical Sciences of Ministry of Education, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.
pubmed:publicationType
Journal Article, English Abstract