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Rice (Oryza sativa) is one of the most important cereal crop. Nearly half of the world‟s population depends on this cereal for their daily diet. India has world‟s largest area with 39.6 million hectares. There has been increasing interest in chemical speciation of element in recent years which can be attributed to the great alteration in the chemical and the biological properties of the elements depending on their oxidation state, the type of the chemical bonds etc. Applicability of Energy Dispersive X-Ray Fluorescence,(EDXRF) technique for trace elements in rice grains from different fields of the region was demonstrated. To investigate any possible contamination in the grinding procedure or loss of some elements due to the drying process samples were analyzed by total reflection X-ray fluorescence technique. Some microelements are known to be essential for growth of human physique such as C,H, O, N, S, Ca, P, K, Na, Cl, Mn, Ti, Mg, Cu, Fe, Ni, Si and Zn totaling to twenty six elements(1-4).There are other elements which occur in animal body but are not essential. They acquired in the body as environmental contamination (5) due to excess use of chemical fertilizers and pesticides on food crops. These fertilizers and pesticides produce an increase in toxic elemental concentration at micro level in Rice plant parts and hence in grains due to absorption of these chemicals. The work being presented here includes micro elemental analysis of grains of some rice varieties. Concentration of metals like K, Ca, Mn, Mg, Fe, Al, Ti, P, Na, Zn, Cu, and Si are studied using (EDXRD) techniques

MICROELEMENTAL ANALYSIS OF RICE (ORYZA SATIVA) USING ENERGY DISPERSIVE X-RAY SPECTROSCOPIC (EDXRF) TECHNIQUE