Toxicity of perfluorinated carboxylic acids for aquatic organisms

Toxicity of perfluorinated carboxylic acids with carbon chain C8 to C12 were tested with oligochaeta Tubifex tubifex. Toxicity was evaluated as the exposure time ET50 from onset of damage of the oligochaeta in saturated aqueous solutions. The ET50 fluctuated between 25 and 257 minutes. No statistica...

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Bibliographic Details
Published in:Interdisciplinary toxicology 2010-06, Vol.3 (2), p.73-75
Main Authors: Tichý, Miloň, Valigurová, Radka, Čabala, Radomír, Uzlová, Rut, Rucki, Marián
Format: Article
Language:English
Subjects:
acute toxicity
effective exposure time
Original
perfluorinated carboxylic acids
water pollution
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Summary:Toxicity of perfluorinated carboxylic acids with carbon chain C8 to C12 were tested with oligochaeta Tubifex tubifex. Toxicity was evaluated as the exposure time ET50 from onset of damage of the oligochaeta in saturated aqueous solutions. The ET50 fluctuated between 25 and 257 minutes. No statistically significant difference was found among the C8, C9 and C12 acids (ET50 between 143 and 257 minutes with large standard deviation). The acids with carbon chain C10 and C11 induced the effect significantly quicker (25 to 47 minutes). No acute toxicity measured in the three-minute test was observed in any case.
ISSN:1337-6853
1337-9569
DOI:10.2478/v10102-010-0014-2