Journal ArticleDOI
Effect of pH and Salinity on Sorption of Antimony (III and V) on Mangrove Sediment, Sundarban, India
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The extent of toxic metalloid retention and bioavailability and mobility in the sediment is of interest for understanding their biogeochemical cycling and for accurate risk assessment in an ecosyst...Abstract:
The extent of toxic metalloid retention and bioavailability and mobility in the sediment is of interest for understanding their biogeochemical cycling and for accurate risk assessment in an ecosyst...read more
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Environmental Chemistry of the Elements
TL;DR: In this paper, a comprehensive and critical rather than encyclopaedic summary of the data of environmental chemistry is presented, focusing on air, water, rocks and soils; the cycling of C, N, H, O2 and S in the biosphere are covered in 1 chapter and the elemental Other CABI sites are discussed.
Journal ArticleDOI
Antimony uptake by mangroves and its environmental fate in the Sundarbans, India
S. K. Mandal,Raghab Ray,Aridane G. González,Oleg S. Pokrovsky,Oleg S. Pokrovsky,Oleg S. Pokrovsky,Tapan Kumar Jana +6 more
TL;DR: In this article, the authors studied the biogeochemistry of Sb in the Sundarbans mangroves by measuring Sb concentration in sediment, plant organs, river water, sea water and pore water, and determining Sb fluxes within the ecosystem reservoirs.
References
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Journal ArticleDOI
Influence of ph and organic substance on the adsorption of as(v) on geologic materials
TL;DR: In this paper, the adsorption of As(V) on alumina, hematite, kaolin and quartz has been measured as a function of pH (2 to 10), and As concentrations (10−4 to 10 −8 M; in the alumina and kaolin systems only).
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Demonstration of the “Conditioning Effect” in Soil Organic Matter in Support of a Pore Deformation Mechanism for Sorption Hysteresis
Yuefeng Lu,Joseph J. Pignatello +1 more
TL;DR: It is shown that two organic soils exhibit the "conditioning effect", which refers to the enhancement in sorption of a compound following brief exposure of the sorbent to high concentrations of the same or a similar compound, and irreversible pore deformation is a mechanism for hysteresis in natural organic matter materials.
Journal ArticleDOI
Adsorption of arsenic (V) on kaolinite and on kaolinite-humic acid complexes. Role of humic acid nitrogen groups.
TL;DR: Comparing the amount of amine groups in the HA-kaolinite complexes with the total amount of adsorbed As indicates that the HAAmine groups play a key role in the adsorption of As onto organic matter.
Journal ArticleDOI
Role of sediment composition in trace metal distribution in lake sediments
TL;DR: In this article, the authors studied vertical changes in trace metal concentrations with depth and the distribution of metals amongst humic material, amorphous and crystalline Fe and Mn oxides, insoluble organics/sulphides, and silicates.
Journal ArticleDOI
Adsorption of antimony(V) by floodplain soils, amorphous iron(III) hydroxide and humic acid
TL;DR: In this study sorption of Sb(V) by two organic rich soils with high levels of oxalate extractable Fe was examined over the pH range of 2.5-7.5 and in two phases mimicking those dominant in the experimental soils, namely a solid humic acid and an amorphous Fe(OH)3.