HPLC/UV determination of sodium acifluorfen in tropical fish

This work reports the determination of sodium acifluorfen residue in fish species living in tropical rivers and lakes (Piaractus mesopotamicus). This determination was carried out through studies of LC 50 - 96 hours and BCF-192 hours (BCF = 1/100 LC 50 ). Controlled conditions in the static mode, wi...

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Bibliographic Details
Published in:Journal of liquid chromatography & related technologies 1997-01, Vol.20 (12), p.1945-1957
Main Authors: Lancas, F.M, Sa, O.R. de, Rissato, S.R, Galhiane, M.S
Format: Article
Language:English
Subjects:
Agnatha. Pisces
Animal, plant and microbial ecology
Applied ecology
Biological and medical sciences
chemical analysis
Ecotoxicology, biological effects of pollution
Effects of pollution and side effects of pesticides on vertebrates
Freshwater
Fundamental and applied biological sciences. Psychology
Piaractus mesopotamicus
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Summary:This work reports the determination of sodium acifluorfen residue in fish species living in tropical rivers and lakes (Piaractus mesopotamicus). This determination was carried out through studies of LC 50 - 96 hours and BCF-192 hours (BCF = 1/100 LC 50 ). Controlled conditions in the static mode, with constant atmospheric air flow and dilution water at 25°C, were used in the laboratory tests. The fish samples were collected and submitted to appropriate analytical procedure. A method was developed that allows the residue quantitation of fish by HPLC/UV after soxhlet extraction and clean-up on silica gel and Florisil. The aquarium water samples were analyzed directly by HPLC/UV. The developed method proved to be adequate for LC 50 and BCF determinations presenting recoveries above 75%, with a relative standard deviation below 5%.
ISSN:1082-6076
1520-572X
DOI:10.1080/10826079708005554