Case Study On The Relationships Between Soil Contents Of Some Harmful Chemical Elements Determined By Different Equipment

Rimantė Zinkutė, Ričardas Taraškevičius

Abstract


Comparison of total contents of Ba, Cr, Cu, Mn, Mo, Ni, Sn, Pb, V, Zn, Al, Ca, Fe, Mg determined in topsoil of central part of Vilnius by optical atomic emission spectrophotometry (OAES) with respective contents determined by energy-dispersive x-ray fluorescence (EDXRF), analysis of their correlation and linear relationship with and without outliers are the tasks of research. For most elements, except Ca, Sn, Ba, the contents determined by EDXRF are significantly lower and less variable. They can be predicted according to OAES-contents using linear equations. After elimination of outliers for all elements the correlation is significant at p<0.05.

Keywords


chemical elements; energy-dispersive x-ray fluorescence; optical atomic emission spectrophotometry; urban soil

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References


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DOI: http://dx.doi.org/10.17770/etr2011vol1.929

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