Joint Toxicity of Multiple Heavy Metal Compounds to Photobacterium phosphoreum

Yu Li; Lan Wang; Xiao Li Li; Xiao Peng Li; Long Jiang

doi:10.4028/www.scientific.net/AMR.663.926

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 663Joint Toxicity of Multiple Heavy Metal Compounds...

Joint Toxicity of Multiple Heavy Metal Compounds to Photobacterium phosphoreum

Abstract:

In this article, we take photobacterium phosphoreum (T3) as indication organism, test the joint toxicity of 8 heavy metal compounds (Cu(NO3)2•3H2O, Cd(NO3)2•4H2O, Zn(NO3)2•6H2O, Pb(NO3)2, Cr(NO3)3•9H2O, Ni(NO3)2•6H2O, Co(NO3)2•6H2O, and Sr(NO3)2) with fixed ratio design method (the first two mixed systems designed using equivalent-effect concentration ratio: EC30s and EC50s, and the third one using equivalent-molar concentration ratio which the highest concentration was 0.02mmol/L lower than EC99 of each single heavy metal toxicity). The joint toxicity of the three mixed systems was assessed by Additive Index (AI). The results showed the first two mixed systems were antagonistic action and the third one was synergistic action.

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Periodical:

Advanced Materials Research (Volume 663)

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926-929

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.663.926

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Online since:

February 2013

Authors:

Yu Li, Lan Wang, Xiao Li Li, Xiao Peng Li, Long Jiang

Keywords:

Additive Index, Heavy Metal, Mixture Toxicity

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