HEAVY METALS CONTAMINATION IN SEDIMENT OF SEFIDRUD DELTA

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ALIZADEH KATAK LAHIJANI H.; KAMRANPOURI A.R.; AMINI A.A.H.

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Journal: JOURNAL OF MARINE SCIENCES AND TECHNOLOGY Year:2006 | Volume:4 | Issue:3-4 Page(s): 43-52

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Information Journal Paper

Title

HEAVY METALS CONTAMINATION IN SEDIMENT OF SEFIDRUD DELTA

Author(s)

ALIZADEH KATAK LAHIJANI H. | KAMRANPOURI A.R. | AMINI A.A.H. | Issue Writer Certificate

Keywords

HEAVY METALSQ2

CASPIAN SEAQ2

SEFIDRUD RIVERQ3

POLLUTIONQ2

Abstract

For determining HEAVY METALS in modern sediment of the Sefidrud Delta, 16 surface samples and one core were analyzed. Bioavailability of the HEAVY METALS (Cd, Pb, Cu, Ni, Cr, and Zn) was measured after leaching of the samples in cold HCl for a period of 16 hours. HEAVY METALS in bulk and leached sediments were determined by Atomic Absorption. Maximum concentration of HEAVY METALS was 400 ppm for Zn in bulk sediment. Leachable portion of the HEAVY METALS varied from zero up to 90% (for cadmium) of the bulk concentration. Little percentage of dissolved metals (Pb, Cu, Ni, Cr, and Zn) reveals that they are originated from the mineral structures. Differentiation between the background influence and human impact on the heavy metal concentration was done by using geoaccumulation index (comparison of the metal concentration in the surface sediments and those of cores in the same area). The geoaccumulation indices for the sediment are negligible, that indicate the role of the source region rocks in enrichment of HEAVY METALS. In other words, similarity of the heavy metal concentration in surface and subsurface sediments and slight solubility of the metals indicate that the main source of the metals is natural and the input of anthropogenic HEAVY METALS via the SEFIDRUD RIVER is negligible. Therefore, the concentration of the HEAVY METALS (Zn, Cr, Ni, Cu, Pb) indicates that sediments of Sefidrud Delta are unpolluted yet.

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APA: Copy

ALIZADEH KATAK LAHIJANI, H., KAMRANPOURI, A.R., & AMINI, A.A.H.. (2006). HEAVY METALS CONTAMINATION IN SEDIMENT OF SEFIDRUD DELTA. JOURNAL OF MARINE SCIENCES AND TECHNOLOGY, 4(3-4), 43-52. SID. https://sid.ir/paper/74651/en

Vancouver: Copy

ALIZADEH KATAK LAHIJANI H., KAMRANPOURI A.R., AMINI A.A.H.. HEAVY METALS CONTAMINATION IN SEDIMENT OF SEFIDRUD DELTA. JOURNAL OF MARINE SCIENCES AND TECHNOLOGY[Internet]. 2006;4(3-4):43-52. Available from: https://sid.ir/paper/74651/en

IEEE: Copy

H. ALIZADEH KATAK LAHIJANI, A.R. KAMRANPOURI, and A.A.H. AMINI, “HEAVY METALS CONTAMINATION IN SEDIMENT OF SEFIDRUD DELTA,” JOURNAL OF MARINE SCIENCES AND TECHNOLOGY, vol. 4, no. 3-4, pp. 43–52, 2006, [Online]. Available: https://sid.ir/paper/74651/en

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