Abstract:
:Polyethoxylated tallowamine (POEA) is a non-ionic surfactant used in many herbicide formulations to increase the ability of active ingredients to penetrate leaf cuticles. However, it has also been shown to disrupt respiratory membranes in aquatic organisms. In this study, Daphnia magna was used to examine the lethal and sub-lethal toxicity of three POEA formulations consisting of 5:1, 10:1, and 15:1 average oxide:tallowamine. The formulation consisting of 10:1 was the most acutely toxic with a 48-h LC50 value of 97.0 microg/L and 15:1 was least toxic at 849.4 microg/L. All formulations inhibited growth at concentrations between 100 and 500 microg/L.
journal_name
Bull Environ Contam Toxicoljournal_title
Bulletin of environmental contamination and toxicologyauthors
Brausch JM,Beall B,Smith PNdoi
10.1007/s00128-007-9091-0subject
Has Abstractpub_date
2007-06-01 00:00:00pages
510-4issue
6eissn
0007-4861issn
1432-0800journal_volume
78pub_type
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