Abstract            Volume:5  Issue-5  Year-2017         Original Research Articles

Online ISSN : 2347 - 3215 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcret@gmail.com

The aim of this study is to investigate the contents of essential, macro and micro elements by the energy-dispersive X-ray fluorescence spectrometry (EDXRF) in different seaweeds (10 red algae, 5 green algae)from collected different regions of Visakhapatnam coast(India). Seaweeds from different estuarine stations were analyzed by X-ray fluorescence, providing results for the concentration of total K, Ca, Mo, Mn, Fe, Co, Ni, Cu, Zn, I, Na, Mg, Se and P. A radioisotope excited X-ray fluorescence analysis using the method of multiple standard additions was applied for the elemental analysis of seaweed samples.  The results demonstrated that these seaweeds contain some essential element, but no toxic element. Edible green and red seaweeds could be used as a food supplement to help meet the recommended daily intake of some essential minerals and trace elements. Energy-dispersive X-ray fluorescence has been shown to be a suitable technique for multi-element analysis in this type of sample. No chemical pretreatment is required, minimizing sample contamination. The small amount of sample required, and the wide range of elements that can be detected simultaneously make energy-dispersive X-ray fluorescence a valuable tool for micro and macro elements analysis.

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