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Characterization of Phyllanthus amarus herb by inductively coupled plasma mass spectrometric (ICP-MS) analysis, optical absorption and electron paramagnetic resonance (EPR) spectroscopic methods

Frost, Ray L., Reddy, S. Lakshmi, Reddy, N.C. Gangi, Reddy, R. Rama Subba, Reddy, G. Siva, Rao, P. Sambasiva, & Reddy, B. Jagannatha (2006) Characterization of Phyllanthus amarus herb by inductively coupled plasma mass spectrometric (ICP-MS) analysis, optical absorption and electron paramagnetic resonance (EPR) spectroscopic methods. Radiation Effects and Defects in Solids, 161(11), pp. 671-679.

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Abstract

A powdered sample of Phyllanthus amarus herb from kadapa district of Andhra Pradesh India, is used in the present study. ICP-MS analysis indicates that copper is present in higher concentration when compared with other elements.Althought the Pb is toxic, it is within permissible limits. The evalauted soil and herb phsico-chemical properties indicate that the sample is acidic in nature in comparison with soil. An EPR study on the powdered sample confirm the presence of Fe(III), Mn(II), and Cu(II. Optical absiorption spectrum indicates that the Fe(III) is present in an octahedral position whereas the Cu(II) is in a rhombically distorted octahedral environment. MIR results are due to carbonate fundamentals

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ID Code: 5255
Item Type: Journal Article
Keywords: EPR, Optical absorption, ICP, MS, copper, manganese, iron
DOI: 10.1080/10420150600942084
ISSN: 1029-4953
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000)
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright 2006 Taylor & Francis
Copyright Statement: First published in Radiation effects and defects in solids 161(11):pp. 671-679. Radiation effects and defects in Solids is available online at informaworld
Deposited On: 20 Oct 2006
Last Modified: 01 Mar 2012 11:18

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