Partitioning of silver and chemical speciation of free Ag in soils amended with nanoparticles

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Partitioning of silver and chemical speciation of free Ag in soils amended with nanoparticles

BACKGROUND Knowledge about silver nanoparticles in soils is limited even if soils are a critical pathway for their environmental fate. In this paper, speciation results have been acquired using a silver ion selective electrode in three different soils. RESULTS Soil organic matter and pH were the most important soil properties controlling the occurrence of silver ions in soils. In acidic soils...

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Phosphorus speciation in manure-amended alkaline soils.

Two common manure storage practices are stockpiles and lagoons. The manure from stockpiles is applied to soils in solid form, while lagoon manure is applied as a liquid. Soil amendment with manure in any form introduces a significant amount of phosphorus (P) that exists in both organic and inorganic forms. However, little is known about P speciation in manure stored under different conditions, ...

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Chemical speciation and extractability of Zn, Cu and Cd in two contrasting biosolids-amended clay soils.

An incubation experiment was conducted to study the chemical speciation and extractability of three heavy metals in two contrasting biosolids-amended clay soils. One was a paddy soil of pH 7.8 and the other was a red soil of pH 4.7 collected from a fallow field. Anaerobically digested biosolids were mixed with each of the two soils at three rates: 20, 40 and 60 g kg(-1) soil (DM basis), and una...

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ژورنال

عنوان ژورنال: Chemistry Central Journal

سال: 2013

ISSN: 1752-153X

DOI: 10.1186/1752-153x-7-75