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Effects of Physical and Chemical Characteristics of Water on Toxicity of Crude Oil Water-Soluble Fraction on Daphnia Magna



Sadani M1 ; Movahedian H2 ; Faraji M2 ; Jaberian B2 ; Hajian M2 ; Mehrizi EA3
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Authors Affiliations
  1. 1. Department of Environmental Health Engineering, School of Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
  2. 2. Environment Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
  3. 3. Department of Environmental Health Engineering, School of Health, Tehran University of Medical Sciences, Tehran, Iran

Source: World Applied Sciences Journal Published:2011

Abstract

Crude oil is a very complicated composition that contains thousands of hydrocarbons. This study measured LC50 crude oil in water samples with different chemical and physical characteristics. Crude oil concentrations 5, 10, 20, 30, 40, 50, 75 and 100 mg/l and water samples that each contains ten Daphnia were used. The numbers of live Daphnia were counted 4, 24 and 48 hours after adding different crude oil concentration. The results showed that water with low turbidity and TDS that polluted with crude oil can cause more acute toxic effects on Daphnia and Physical and Chemical Characteristics of Water can effected in crude oil toxicity in water. © IDOSI Publications, 2011.
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