Determination of organophosphates pesticide residues in vegetables by GC-MS / 国际检验医学杂志
International Journal of Laboratory Medicine
;
(12): 340-341, 2016.
Artículo
en Chino
| WPRIM
| ID: wpr-491750
ABSTRACT
Objective To establish a method for quantitative determination of 17 kinds of organophosphates pesticides in vegeta‐bles by gas chromatography and mass spectrometry (GC‐MS) .Methods The sample was extracted by acetonitrile ,purified by the a‐mino solid phase extraction small column ,concentrated ,detected by GC‐MS .Then the ion scanning (SIM ) mode was selected to mo‐nitor the specific iron in target compound for conducting the quantitative analysis .Results 17 kinds of compound had good linearity in the limit of detection (LOD) of 0 .001 - 0 .02 mg /kg (S/N = 3) with a relative standard deviation of 1 .05% - 6 .81% ,and the re‐covery rate was 66 .4% - 99 .3% when with cap at 004 ,008 ,0 .40 mg/kg .Conclusion This method has good selection and high sensitivity ,and is suitable for the rapid determination of organophosphates pesticide residues in vegetables .
Texto completo:
Disponible
Índice:
WPRIM (Pacífico Occidental)
Idioma:
Chino
Revista:
International Journal of Laboratory Medicine
Año:
2016
Tipo del documento:
Artículo
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