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X-Ray Fluorescence Spectrometric Analysis of Uncontaminated and Contaminated Tropical Plant Materials for Traces of Heavy Metals

Published online by Cambridge University Press:  06 March 2019

Hasso Schorin  and
Laura Piccioni
Hasso Schorin
Affiliation:
I.V.I.C., Centro de Ingeniería, Apartado 1827, Caracas 1010-A, Venezuela
Laura Piccioni
Affiliation:
I.V.I.C., Centro de Ingeniería, Apartado 1827, Caracas 1010-A, Venezuela
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Extract

52 elements of the periodic system are considered as potentially usable by living organisms. Most of them, as some heavy metals, are required only in trace amounts. If a certain concentration of a given trace element is exceeded in an organism it becomes toxic. Plant analyses are considered in agronomy as a diagnostic tool and as a guide to fertilizer practice as the plant uptake is the best criterion of nutrient and micronutrient availability. But nowadays also toxic metals may be assimilated by plants due to the increasing contamination by inorganic compounds containing these toxic elements. In geosciences plant analyses may be of importance because indicator plants are employed for the geochemical prospection of certain heavy metals.

Type
IX. Other XRF Applications
Information
Advances in X-Ray Analysis , Volume 27: Thirty-Second Annual Conference on Applications of X-ray Analysis, August 1-5, 1983 , 1983 , pp. 563 - 570
Copyright
Copyright © International Centre for Diffraction Data 1983

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