Determination of multi-element profiles of soil using energy dispersive X-ray fluorescence (EDXRF)

Determination of multi-element profiles of soil using energy dispersive X-ray fluorescence (EDXRF)

The source profile for soil in Hong Kong is important both for determination of the main air pollutant source in Hong Kong and for assessment of the impact of Asian dust storms on Hong Kong. Soil associated with different rock types have been sampled, and the concentrations of 19 chemical elements,...

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Veröffentlicht in:Applied radiation and isotopes 2002-08, Vol.57 (2), p.279-284
Hauptverfasser: Yu, K.N., Yeung, Z.L.L., Lee, L.Y.L., Stokes, M.J., Kwok, R.C.W.
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EDXRF
Principal-component analysis
Soils
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container_end_page 284
container_issue 2
container_start_page 279
container_title Applied radiation and isotopes
container_volume 57
creator Yu, K.N.
Yeung, Z.L.L.
Lee, L.Y.L.
Stokes, M.J.
Kwok, R.C.W.
description The source profile for soil in Hong Kong is important both for determination of the main air pollutant source in Hong Kong and for assessment of the impact of Asian dust storms on Hong Kong. Soil associated with different rock types have been sampled, and the concentrations of 19 chemical elements, Na, Al, Si, Ti, V, Cr, Mn, Fe, Co, K, Ca, Ni, Cu, Zn, Pb, Rb, Sr, Y and Zr, have been determined using energy dispersive X-ray fluorescence. A profile for the average soil for Hong Kong has been determined by taking average values for the different soil categories. The values for the Hong Kong soil are commensurate with values for rural soil derived by other workers, except that Hong Kong soil has much lower Fe and Ca concentrations. The abundance of Al, Ca and Fe in the average Hong Kong soil are 9.23%, 0.11% and 0.85%. We conclude that Ca provides a good marker element for identifying dust episodes in Hong Kong while Al does not.
doi_str_mv 10.1016/S0969-8043(02)00092-1
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subjects EDXRF
Principal-component analysis
Soils
title Determination of multi-element profiles of soil using energy dispersive X-ray fluorescence (EDXRF)
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