Document Detail

Acute toxicity investigations of ester-based lubricants by using biotests with algae and bacteria.
MedLine Citation:
PMID:  15269923     Owner:  NLM     Status:  MEDLINE    
Although ester-based lubricants are ecologically acceptable due to their good biodegradability, there are still some environmental ecotoxicological impacts that have to be considered. Information on the acute ecotoxicological behavior of lubricants is obtained in this work using several single species bioassays. In previous studies it was observed that lubricating fluids containing additives for the enhancement of their technical performance were more problematic than base fluids especially with respect to algae growth inhibition. In order to clarify the influence of additives, the anti-wear additive tri-n-butyl phosphate was tested. It was very toxic to algae though not to bacteria. Additionally, a mixture of this additive with a base fluid is characterized. Despite the high toxicity of the single additive, the water extract of the mixture of tri-n-butyl phosphate with hydraulic base fluid caused almost no toxicity. Therefore, tri-n-butyl phosphate cannot explain the effect observed for the toxicity of water extracts of the commercially available lubricants.
K Michel; C Brinkmann; S Hahn; W Dott; A Eisentraeger
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Environmental toxicology     Volume:  19     ISSN:  1520-4081     ISO Abbreviation:  Environ. Toxicol.     Publication Date:  2004 Aug 
Date Detail:
Created Date:  2004-07-22     Completed Date:  2004-11-24     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  100885357     Medline TA:  Environ Toxicol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  445-8     Citation Subset:  IM    
Copyright Information:
Copyright 2004 Wiley Periodicals, Inc.
RWTH Aachen, Institute of Hygiene and Environmental Medicine, Pauwelsstr. 30, 52074 Aachen, Germany.
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MeSH Terms
Acute Toxicity Tests / methods*
Biological Assay
Phosphoric Acid Esters / toxicity*
Pseudomonas putida / drug effects*,  growth & development
Scenedesmus / drug effects*,  growth & development
Vibrio / drug effects*,  growth & development
Reg. No./Substance:
0/Esters; 0/Phosphoric Acid Esters; 126-73-8/tributyl phosphate

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