[Determination of carbendazim residue in orange and soil using high performance liquid chromatography].
Identifieur interne : 000A56 ( Ncbi/Curation ); précédent : 000A55; suivant : 000A57[Determination of carbendazim residue in orange and soil using high performance liquid chromatography].
Auteurs : Jing Shen [République populaire de Chine] ; Jun Liu ; Jian LiuSource :
- Se pu = Chinese journal of chromatography [ 1000-8713 ] ; 2009.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Benzimidazoles, Carbamates, Pesticide Residues, Soil, Soil Pollutants.
- analysis : Food Contamination.
- chemistry : Citrus sinensis.
- methods : Chromatography, High Pressure Liquid, Solid Phase Extraction.
- Sensitivity and Specificity.
Abstract
An analytical method of high performance liquid chromatography (HPLC) was established for determining carbendazim residue in orange and soil. The residue was extracted with alkaline acetonitrile, cleaned-up by NH2 solid-phase extraction (SPE), separated on a Luna C18 column (250 mm x 4.6 mm, 5 microm) using 10 mmol/L ammonium acetate solution (A) and acetonitrile (B) as the mobile phases with the gradient elution (0-->15 min, 20% B; 15-->25 min, 80% B; 25-->35 min, 20% B) at a flow rate of 1.0 mL/min, and detected at 275 nm. The method showed a linear relationship between peak area and concentration at the range of 0.02 - 5.0 mg/L for carbendazim. The average recoveries of the method ranged from 89.2% to 102% with the relative standard deviations of 1.8% - 9.1% at spiked level of 0.05 - 0.5 mg/kg. The limit of detection was 0.05 mg/kg in sarcocarp and soil, and that was 0.1 mg/kg in pericarp and whole orange. The method is characterized by simplicity, higher sensitivity and accuracy.
PubMed: 19803135
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pubmed:19803135Le document en format XML
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