Fractionation of heavy metals in bottom sediments in Chahnimeh 1, Zabol, Iran
作者： Safoura Javan , Amir Hessam Hassani , Ahmad Gholamalizadeh Ahangar , Jaber Soltani
DOI: 10.1007/S10661-015-4510-X
关键词:
摘要: In the present study, 180 sediment samples were collected from Chahnimeh 1 reservoir to investigate concentration of metal and sequential extraction. Five geochemical phases (exchangeable fraction, carbonate Fe/Mn oxide organic fraction residual fraction) for determination speciation heavy metals (Zn, Fe, Cd, Pb, Mn, Ni) as proposed by Tessier was applied sediments Chahnimeh1. Results obtained nickel cadmium, over 40 % in exchangeable phase bound carbonate. According risk assessment code (RAC), that have 31 50 % are high risk. Similar results zinc lead. The major two (63 % total lead 85 % zinc) occurred fraction-bound hydrous Fe-Mn oxides. showed moderate no zinc. This indicates Igeo IPOLL used investigation pollution terms sediments.
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