Influence of pH and water hardness upon nickel accumulation in edible fish Cirrhinus mrigala.
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2007-04-13
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Abstract
The freshwater fingerlings of Cirrhinus mrigala were exposed to Nickel in acidic medium pH = 6.0 (5.8-6.2), alkaline medium pH = 9.0 (8.8-9.2) and water hardness (40 mg/l) of CaCO3. The study indicates that nickel accumulation was significantly influenced by pH and hardness of water The concentration was found to be significantly higher at pH = 9.0 than at pH = 6.0. Also the presence of hardness in water results in reduced toxicity of nickel.
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Karthikeyan S, Palaniappan PR, Sabhanayakam S. Influence of pH and water hardness upon nickel accumulation in edible fish Cirrhinus mrigala. Journal of Environmental Biology. 2007 Apr; 28(2 Suppl): 489-92