Abstract
Investigation of absorption behavior of trivalent actinides (An(III)) and Trivalent lanthanides (Ln(III)) on tertiary pyridine resin in sodium nitrate (NaNO3) aqueous solution has been conducted. Am was used as trivalent actinides element and stable Europium (Eu) and Neodymium (Nd) represented Ln (III) elements. Separation of An (III) and Ln (III) was carried out by conducting chromatography experiment on pyridine resin column in high pH 11 of 4M NaNO3. High pH was adjusted in order to suppress the protonation and supports tertiary pyridine resin to work as N soft donor ligand during separation. Gamma spectrometry was performed for detection of 241Am and ICP-MS was used for measurement of Eu and Nd as stable isotopes.
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