Determination of Heavy metals(Co, Cr) inMuscle,Skin and Gillof Tissues Chalcalburnus chalcoides in South of Caspian sea( Anzali lagoon and shirud)

Document Type : Other

Authors

1 Department of marine Biology, Faculty of Marine Science and Technology, University of Islamic Azad University, Tehran North Branch, PO Box: 1971-198

2 Department of Marine Biology, Faculty of Marine Science and technology, University of Islamic Azad University, Tehran North Branch, PO Box: 1971-198

Abstract

The concentration of heavy metals Cd, Co were investigated in the Gill, Skin and Muscle tissues of Chalcalburnus Chalcoides Caught in Spring 2012 from in south of Caspian sea (Anzali lagoon &Shirud)in Gilan and Mazandaran province..  After biometrical measurements the Gill, Skin and Muscle tissues of samples were separated; metals were measured by chemical digestion method with pure nitric acid and their concentrations were determined by AAS .Mean concentrations ppm/ dry weigh)were compared with the international standards  such as WHO, FAO and Stoskopf. The mean concentration for Cr in all tissues except in muscle tissue in both stations higher than the WHO standard and Stoskopf limit was recorded. The concentration Co in comparison with international standards FAO in Anzali lagoon were found higher than permissible limit. Also average accumulation of Cr in Muscle, Skin and Gills tissues had significantly different in two provinces (P< 0.05). Average accumulation of Co in Muscle, Skin and Gills tissues was not significantly different in two provinces (Gilan&Mazandaran)(P>0.05 ).Average accumulation of Cr and Co in muscle, skin and gills tissues were not significantly different between two provinces (P>0.05).

Keywords

References

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Journal of Animal Environment
Volume 10, Issue 3
October 2018
Pages 289-296

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