Abstract
Octylphenyl acid phosphate, the commercially available mixture of monooctylphenylphosphoric acid (MOPPA) and dioctylphenylphosphoric acid (DOPPA) in xylene medium has been employed as an extractant for distribution studies on Pu(IV) in different mineral acids including phosphoric acid. It was found possible to extract Pu quantitatively from an acid mixture comprising 2.5M H3PO4, 0.75M H2SO4 and 0.5M HNO3. Quantitative stripping was observed with a mixture of 0.25M oxalic acid and 0.2M ammonium oxalate.
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Parts of this work have been reported at symposie (Refs1,2)
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Mithapara, P.D., Manchanda, V.K. & Natarajan, P.R. Extraction studies of Pu(IV) with octylphenyl acid phosphate. Journal of Radioanalytical and Nuclear Chemistry, Articles 83, 301–307 (1984). https://doi.org/10.1007/BF02037144
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DOI: https://doi.org/10.1007/BF02037144