Optimization Of X-ray Fluorescence Elemental Analysis: An Example From Kenya
Date
1998-07Author
Angeyo, KH
Patel, JP
Mangala, JM
Narayana, DGS
Type
ArticleLanguage
enMetadata
Show full item recordAbstract
A systematic study and application of a radioisotope excited energy dispersive X-ray fluorescence analysis method to multi-elemental determination in Kenyan rock samples whose supporting matrices are of light elements is presented. The method consists of instrumentation and analytical parameter optimization, and an empirical background stripping model for reduced dark matrix scatter effects. The method was applied to trace, minor and major elemental determination in rock samples collected from various parts of Kenya in order to test it for routine mineral and geochemical prospecting in light element geological matrices. A correlative analysis of the samples revealed a common presence of elements: K, Ca, Ti, Cr, Mn, Fe, Cu, Zn, Ga, Au, Pb, Br, Rb, Sr, Nb, Zr, As and Y in all five types of rocks, down to 3.0 μg g−1 for Br, with major differences revealed in the rock tectonic setting, origin, age and related palaeomagnetic parameters, and mineral enrichment prospects.
URI
http://www.sciencedirect.com/science/article/pii/S0969804397003059http://hdl.handle.net/11295/66061
Citation
Applied Radiation and Isotopes Volume 49, Issue 7, July 1998, Pages 885–891Publisher
University of Nairobi