<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml">Toxicity of perfluorinated carboxylic acids with carbon chain C8 to C12 were tested with oligochaeta <italic>Tubifex tubifex.</italic> 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.</abstract>

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.

Toxicity of perfluorinated carboxylic acids for aquatic organisms

Laboratory of Predictive Toxicology, National Institute of Public Health, Praha, Czech Republic

Faculty of Science, Department of Analytical Chemistry, Charles University in Prague, Praha, Czech Republic

Interdisciplinary Toxicology

{"article-title":"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...

Toxicity of perfluorinated carboxylic acids for aquatic organisms

Published Online: Jul 30, 2010

Page range: 73 - 75

DOI: https://doi.org/10.2478/v10102-010-0014-2

Keywords
perfluorinated carboxylic acids, water pollution, effective exposure time, acute toxicity

This content is open access.

Toxicity of perfluorinated carboxylic acids for aquatic organisms

Published Online: Jul 30, 2010

Page range: 73 - 75

DOI: https://doi.org/10.2478/v10102-010-0014-2

Keywordsperfluorinated carboxylic acids, water pollution, effective exposure time, acute toxicity

This content is open access.

Keywords
perfluorinated carboxylic acids, water pollution, effective exposure time, acute toxicity