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Effects of granulated red mud addition on the fractionation of Pb and Zn in soil and plants growth were studied by 2 batches of soil column incubation experiment(with and without leeks). Experimental results showed that all treatments with granulated red mud addition significantly decreased the concentrations of bio-available and Zn. Compared with the control, the treatment with5% granulated red mud...
In order to research the change and distribution characters of heavy metals in the sediment of estuary, sediment grain size, Acid volatile sulfide (AVS) and simultaneously extracted metals(SEM, including Fe, Mn, Sr, Ba, Cr, V, and Co) were analyzed in three sediment short column cores collected form Licun estuary of Jiaozhou Bay. The sediment near the estuary is relative coarse (silty sand) compare...
21 Sedimentary samples were taken from the rivers in north part of Anhui province, China. The contents of 8 heavy metal elements (Be, Cd, Cr, Cu, Pb, Ni, Mn, and Zn) were determined by ICP-MS. Organic matter contents in sediment were also tested. The results show that the different degree enrichments of heavy metals in sediments are appearing as compared with the average values of heavy metal contents...
The potential hazard of contamination directly depends on the presence and concentrations of mobile and biologically available element species. The mobility and availability of elements are known to depend on the chemical species of elements and the type of their bonding with the soil matrix. A three-step sequential extraction procedure (BCR-SEP) was used to determine the concentration of heavy metal...
The sedimentary environment's change will be recorded in the sediments, which can be manifested by the variation of the sediments' physicochemical features. To study the trophic evolution and heavy metals pollution processes, the sedimentary geochemical properties of the core Huoshaohei (HSH) sediments, such as grain size, nutrients, heavy metals, etc, are analyzed. The nutrients in the sediments...
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