Determination of 19 Organochlorine Pesticide Residues in Sargassum Fusiforme by GC-MS / 中国药师
China Pharmacist
; (12): 2173-2176, 2017.
Article
Dans Zh
| WPRIM
| ID: wpr-664012
Responsable en Bibliothèque :
WPRO
ABSTRACT
Objective:
To establish a GC-MS method for determing 19 organochlorine pesticide residues in sargassum fusiforme.Methods:
Nineteen organochlorine pesticide residues were simultaneously determined by GC-MS, and the established method was vali-dated. The HP-5 gas chromatography column (30 m × 0. 25 mm,0. 25 μm) was used. The column temperature was programming in-creased with initial temperature of 70℃, maintaining for 1min, then raising to 180℃ with a rate of 15℃·min-1 ,and then raised to 280℃ with a rate of 4℃·min-1 to keep 7min. The inlet temperature was 240℃. The MS detector was used with EI source at 230℃, and analysis mode was multiple reaction monitoring.Results:
Sargassum fusiforme was analyzed. The separation degree of the standard and samples met the requirements. The recoveries of the organochlorine pesticides were 72%-127% except for hexachlorobenzene, and the relative standard deviation also met the requirements. The experimental results showed that the 19 organochlorine pesticides were not detected out in sargassum fusiforme.Conclusion:
The method provides the technical parameters for the determination of organo-chlorine pesticide residues in sargassum fusiforme.
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Indice:
WPRIM
langue:
Zh
Texte intégral:
China Pharmacist
Année:
2017
Type:
Article