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Updated: May 11, 2026

Speciation and Bioavailability Measurements of Environmental Plutonium Using Diffusion in Thin Films
Published on: November 9, 2015
Isotopic ratio correlation for the isotopic composition analysis of plutonium in Am-Pu mixed samples having high
Sabyasachi Patra1, Chhavi Agarwal, Sanhita Chaudhury
1Radiochemistry Division, Bhabha Atomic Research Centre, Mumbai 400 085, India.
Abstract:
Interference of high amount of americium in the plutonium isotopic composition analysis has been studied by simulating gamma-ray spectra for Am-Pu samples over a wide composition range (5-97% (241)Am) for both power and research reactor grade plutonium. An alternate way for isotopic composition analysis has been proposed by correlating the isotopic ratios available in our old database with the experimentally obtained (241)Pu/(239)Pu isotopic ratio. The proposed method has been validated using simulated spectra of known isotopic compositions.
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