Major and Trace Element Detection in Insects by Ion Induced X-Ray Fluorescence
Abstract
The application of ion induced X-ray fluorescence to study the relative concentration of several major and trace elements present in the tissues of 9 species of adult and immature insects was investigated. Results of the qualitative analyses indicated that K, Ca, Ti, V, Mn, Fe, Ni, Cu, Zn, Pb, Rb, and Sr could easily be identified from a single spectrum. In addition, between and within species differences and similarities were observed by comparing the pulse heights of specific elements. A high concentration of Rb, with respect to K, was found to be present in the ash of all adult and immature insects analyzed. Therefore, a species comparison was made between the relative concentration of Rb and K (Rb/K ratio).Downloads
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