ELEMENTAL CHARACTERISATION OF GEOLOGICAL AND BIOLOGICAL SAMPLES USING PARTICLE INDUCED X-RAY EMISSION
DOI:
https://doi.org/10.69980/yew5sf29Keywords:
Particle-Induced X-ray Emission (PIXE), Elemental Analysis, Multi-Elemental Characterization, Trace Elements, Edible Vegetable Seeds, Leafy-Vegetable Seeds, Lead-Zinc Ores, Geochemical Analysis, Heavy Metal Contamination, Nutritional Elements, Food Quality Monitoring, Zawar Mines, Andhra Pradesh, RajasthanAbstract
The particle-induced X-ray emission (PIXE) method has been employed to tackle several analytical challenges with a MeV accelerator. Some preliminary experimental results are included in the study, along with several topics that might be further investigated. Proton-induced X-ray emission (PIXE) was applied to characterize the elemental composition of edible vegetable seeds and leafy-vegetable seeds samples collected from Vizianagaram district, Andhra Pradesh, India. Across the investigated samples, the manuscript reports 22 elements: Si, P, S, Cl, K, Ca, Ti, V, Mn, Fe, Co, Ni, Zn, Ce, Cu, As, Zr, Hg, Pb, Ga, Sr and Se. The data also indicate the presence of nutritionally relevant elements such as K, Ca, Fe, Zn, Mn, Cu and Se together with potentially toxic elements including As, Hg and Pb. These findings demonstrate the utility of PIXE for rapid multi-element screening of plant-derived foods and provide baseline information for environmental and food-quality monitoring in the study region. PIXE was employed to study the Rock and lead-zinc ore samples gathered from many mines in Zawar, Udaipur District, Rajasthan, India. Sixteen elements including Co, Ni, Cu, Zn, Ga, As, Fe, Mn and Pb were established in these ore and rocks, which may be useful to interpret the various geochemical conditions and the probable cause of their inceptions in rock matrix. It was found that Ti, Mn and Ni are present in substantial amount with respect to other trace elements. It is interesting to observe that the concentration of nickel indicates the origin of these Pb-Zn ore & rocks in Proterozoic period.
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