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ACUTE TOXICITY TEST OF THREE OILS WATER – SOLUBLE FRACTIONS ( WSF ) TO SEVERAL ORGANISMS HABITED IN SHATT AL – ARAB RI | ||
| AL-TAQANI | ||
| Article 1, Volume 24, Issue 2, 2011, Pages 115-119 | ||
| Authors | ||
| Wasen A. Farid; Wisam A. Farid; Luma H. Ali | ||
| Abstract | ||
| The water – soluble fractions (WSF ) of gas oil ( refined product ) , Gar ( heavy ) and Nahran – Umar ( light ) crude oils were tested for their acute toxicity . Four animals species ( Lymnaea auricularia , Thiodoxus jordani , Corbicula fluminalis and Corbicula fluminea ) from Shatt Al – Arab river were exposed to series concentrations of oils water - soluble fractions . The tests were carried out for 96 hours , into renewal toxicity system , under the laboratory conditions . In the terms of median lethal concentration ( LC50 ) , the order of test sensitivity was L. auricularia , T. jordani , C . fluminalis and C . fluminea . The water - soluble fractions of gas oil were the most toxic to test animals than water - soluble fractions of crude oils . The water - soluble fractions of light crude oil were more toxic than those of the heave one | ||
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