Possibilities of some methods for risk assessment of arsenic load in soils

R. Vácha, H. Macurová, J. Skála, M. Havelková, J. Čechmánková and V. Horváthová
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R. Vácha: Research Institute for Soil and Water Conservation, Prague, Czech Republic
H. Macurová: Research Institute for Soil and Water Conservation, Prague, Czech Republic
J. Skála: Research Institute for Soil and Water Conservation, Prague, Czech Republic
M. Havelková: Research Institute for Soil and Water Conservation, Prague, Czech Republic
J. Čechmánková: Research Institute for Soil and Water Conservation, Prague, Czech Republic
V. Horváthová: Research Institute for Soil and Water Conservation, Prague, Czech Republic

Plant, Soil and Environment, 2008, vol. 54, issue 7, 279-287

Abstract: The paper deals with the possibilities of arsenic analysis in the soil. The aim is the selection and verification of the methods for analysis of As in the soil, which seem to be suitable for risk evaluation based on the increased As soil load. Economical and analytical availability of the methods is an important criterion. A sample set of 6 heavily contaminated soils was used to compare application potential of prevalent as well as less common procedures for determination of arsenic forms in soils. The results showed that substitution of analytically more demanding As total content analysis and sequential analysis for simple extraction using one-off agents seemed to be promising in many cases. The comparison and evaluation of statistical correlation of used methods of As analysis in the soil was realised. The results suggested that using the combination of simple 1M NH4NO3 extraction and determination procedure for amorphous Fe forms in the soil (the Tamm method) was suitable for the risk assessment stemming from the As contamination without necessity of the application of more complicated sequential extraction procedures.

Keywords: arsenic; soil; arsenic fractionation; extraction agents (search for similar items in EconPapers)
Date: 2008
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:54:y:2008:i:7:id:419-pse

DOI: 10.17221/419-PSE

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