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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/65176
Title: 
HPLC determination of flumethrin, deltamethrin, cypermethrin, and cyhalothrin residues in the milk and blood of lactating dairy cows
Author(s): 
Institution: 
Universidade Estadual Paulista (UNESP)
ISSN: 
0146-4760
Abstract: 
A procedure to determine residue concentrations of synthetic pyrethroid insecticides (flumethrin, deltamethrin, cypermethrin and cyhalothrin) in the milk and blood of lactating dairy cows was developed. Extraction was performed with acetonitrile, n-hexane partitioning, and silica gel column cleanup with n-hexane and diethyl ether. Analysis was carried out by high- performance liquid chromatography and ultraviolet detection. Recovery of the four pyrethroids averaged 78 to 91% with a minimum detectable concentration of 0.001 mg/kg. The method was reproducible and sensitive.
Issue Date: 
1-Sep-1997
Citation: 
Journal of Analytical Toxicology, v. 21, n. 5, p. 397-402, 1997.
Time Duration: 
397-402
Keywords: 
  • cipermethrin
  • cyhalothrin
  • deltamethrin
  • flumethrin
  • insecticide
  • pyrethroid
  • chemical analysis
  • cow
  • food contamination
  • high performance liquid chromatography
  • lactation
  • milk
  • nonhuman
  • ultraviolet radiation
  • Animals
  • Cattle
  • Chromatography, High Pressure Liquid
  • Female
  • Insecticides
  • Lactation
  • Milk
  • Nitriles
  • Pesticide Residues
  • Pyrethrins
  • Reproducibility of Results
  • Sensitivity and Specificity
  • Spectrophotometry, Ultraviolet
Source: 
http://dx.doi.org/10.1093/jat/21.5.397
URI: 
Access Rights: 
Acesso restrito
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/65176
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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