Elemental concentrations of some Ayurvedic drugs using energy dispersive XRF |
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| Authors: | P Mahawatte K R Dissanayaka R Hewamanna |
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| Institution: | (1) Department of Nuclear Science, University of Colombo, Colombo 3, Sri Lanka;(2) Department of Nuclear Science, University of Colombo, Colombo 3, Sri Lanka;(3) Department of Nuclear Science, University of Colombo, Colombo 3, Sri Lanka |
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| Abstract: | Summary Elemental concentration of nineteen Ayurvedic drugs have been measured using energy dispersive X-ray fluorescence analysis.
Concentrations of nineteen elements: Si, P, S, Cl, K, Ca, Ti, Cr, Mn, Fe Ni, Cu, Zn, As, Br, Rb, Sr, Zr and Hg have been determined
using emission transmission method with Mo target. K, Ca and Fe were detected in all samples and their concentrations ranged
from 0.35-2.88%, 0.346-8.65% and 0.007-36.7%, respectively. Maximum concentration measured in other elements ranged from 0.006%
to 40.7%. The multi element and non-destructive nature of the method offers a simple way to establish the quality of the drugs
that contain heavy metals in considerable concentration. |
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