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The highest BAF of each metal calculated was as follows: Cr ( in winter) > Cu ( in autumn) > Pb ( in summer) > Zn ( in summer). Highest rootrhizome TF values were recorded for four metals: for Cu in autumn, for Zn in summer, for Pb in autumn, and for Cr in autumn.
The data sets of soluble Zn, Cu, Pb and As concentrations (filtered by μm pore membrane) and water discharge in May 2015 and October 2015, which corresponded to the highwater season and lowwater season, respectively, were performed. The calculation results for Zn, Cu, Pb and As can be found in Supplementary Tables (Tables S1, S3S9).
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However, compared to the gastric phase, the soil heavy metals extracted by the gastrointestinal phase of SG1 averagely dropped by ± % for Cu, ± % for Zn, and ± % for Pb. The extent of decline for Cu, Zn, and Pb in SG1 were not the least or greatest among these four designs, but they were much dissimilar to ...
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Heavy metal (As, Cd, Cu, Pb, Zn, Hg and Se) concentrations in the muscle and of four fish species (Mullus barbatus, Merluccius merluccius, Micromesistius poutassou, and Scomber scombrus) from the central Adriatic Sea were measured and the relationships between fish size (length and weight) and metal concentrations in the tissues were investigated.
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Apr 8, 2021The experiments using S. pasteurii were performed aerobically in growth media including urea, CaCl 2 (30 mM) and different metals such Cu, Zn, Pb, and Cd ( ∼ 1 mM), and Sr (1 ∼ 30 mM). Microbial growth and urea degradation led to an increase in pH and OD 600, facilitating the precipitation of calcium carbonate.
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Cu, Pb, Zn, and Cd were detected in all soil, water, forage, and milk samples (Table 2), suggesting possible pollution with these elements. The mean metal content decreased in the order of Zn > Pb > Cu > Cd in the case of soil and Zn > Cu > Pb > Cd in the case of water, forage, and milk. The alert threshold was exceeded in more than twothirds ...
A comparative study found that the elemental concentrations (Cu, Zn, Pb, Cd, and Ni) from the present study are relatively low compared with the study carried out by Buhari and Ismail T. R. (2017 ...
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Plots ofKe vs F for adsorption of Cu, Pb, and Zn (Figs. 9ac) show the same general trend as for Cd, and values of F* for Cu and Zn can be estimated as 3 104 moles Cu/ mole Fe and 102 moles Zn/mole Fe, re spectively. The value of F* for lead cannot be deter mined from these data. However, a Freund lich plot of the Pb adsorption data has ...
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Free Website Template. Immobilization of Pb Cu and Zn in contaminated soil using . 01 08 2019 At a milling speed of 500 rpm and BPR 12 the leaching concentrations of Pb Cu and Zn decreased with increasing milling time as shown in Fig 2 The leaching concentrations of Pb Cu and Zn in untreated soil were 13 92 mg L −1 2 71 mg L −1 and 114 31 mg L −1 which were 273 times 2 6 times and 113 ...
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