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Geochemical Partitioning and Pollution Assessment of Ni and V as Indicator of Oil Pollution in Surface Sediments From Shadegan Wildlife Refuge, Iran

Geochemical Partitioning and Pollution Assessment of Ni and V as Indicator of Oil Pollution in Surface Sediments From Shadegan Wildlife Refuge, Iran

Behnam Heidari Chaharlang, Alireza Riyahi Bakhtiari, Jahangard Mohammadi, Parvin Farshchi

Mar Pollut Bull. 2016 Oct 15;111(1-2):247-259.

PMID: 27546735

Abstract:

The total concentrations and chemical partitioning of Ni, V and Fe have been assessed in surface sediments from 160 sites along the Shadegan wildlife refuge. The results showed that the average total level of Ni, V and Fe in surface sediments were 45.08±12.09, 25.25±20.8 and 25,979.01±6917.91μg/g dw, respectively. On the average, the chemical speciation of Ni, V and Fe in most stations were in the order of residual>oxidisable-organic>acid-reducible>exchangeable. In all fractions, the residual was accounted the highest proportion for the metals analyzed. Among the non-residual phases, the proportion of heavy metals in organic matter fraction was higher than other phases collected from all locations. The comparison between measured values in this study and some fresh water sediment quality guidelines indicated that the levels of nickel would be expected to sporadically cause harmful biological impacts on biota in the Shadegan wildlife refuge.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AS21101	Trace Elements on Fresh Water Sediment			Price

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