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Controlled-potential coulometric studies on fluoride and sulphate complexes of neptunium (VI)
Authors:U M Kasar  A R Joshi  S K Patil
Institution:(1) Radiochemistry Division, Bhabha Atomic Research Centre, Trombay, 400085 Bombay, (India)
Abstract:Fluoride and sulphate complexing of Np(VI) has been studied by controlled-potential coulometry at a constant ionic strength. The values of beta 1 * and beta 2 * for fluoride complexes were found to be 9.4 and 8.9, respectively, at an ionic strength mgr=0.5. At an ionic strength mgr=1.0, beta 1 * and beta 2 * obtained were 6.6 and 10.5, respectively. Sulphate complexing of Np(VI) was studied only at an ionic strength mgr=0.5. The value of beta 1 * obtained was 5.6.
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