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DGA Resin Extractant: • N,N,N’,N’-tetra-noctyldiglycolamide (DGA normal) M M 3� 4� � 3X � 4X � � � � 3DGA 2DGA �� M(DGA) M(DGA) Main applications • Separation of Am • Separation of Ra/Ac and Ca/Sr/Y 3 2 X 3 X4 66
DGA Resin (cont) [HNO 3] k’ 0.1 M Pu > Th > Am > U 1.0 M Am > Pu ≈ Th > U [HCl] k’ 0.1 M Pu > Th > Am > U 5.0 M Pu > Th ≈ Am ≈ U Source: Horwitz, E.P. et al., Novel extraction chromatographic resins based on tetraalkyldiglycolamides: Characterization and potential applications, Solvent Extraction Ion Exchange 23, 219 (2005) 67
Page 1 and 2:
In Cooperation with our University
Page 3 and 4:
Analytical Chemistry of Uranium and
Page 5 and 6:
Tracers • Factors to consider for
Page 7 and 8:
Uranium Tracer Tracer Alpha Energy
Page 9 and 10:
Oxidation/Reduction Chemistry • T
Page 11 and 12:
U Oxidizing and Reducing Agents •
Page 13 and 14:
Oxidation States of Plutonium (cont
Page 15 and 16: Pu Oxidizing and Reducing Agents
Page 17 and 18: Plutonium Hydrolysis (cont) Fractio
Page 19 and 20: Plutonium Hydrolysis (cont) • Pu
Page 21 and 22: Separation Techniques Technique (Co
Page 23 and 24: Ion Exchange Separations (cont) •
Page 25 and 26: Anion Exchange � HCl (cont.) Dist
Page 27 and 28: U(VI) � Hydrochloric Acid 0.1 - 0
Page 29 and 30: U(IV) � Hydrochloric Acid 0.5 - 2
Page 31 and 32: U(III) � Hydrochloric Acid • No
Page 33 and 34: Uranium � Hydrochloric Acid (cont
Page 35 and 36: Pu(IV) � Hydrochloric Acid (cont)
Page 37 and 38: Pu(III) � Hydrochloric Acid • P
Page 39 and 40: Pu � Hydrochloric Acid • In add
Page 41 and 42: Anion Exchange � Nitric Acid (con
Page 43 and 44: U(VI) � Nitric Acid • U(VI) is
Page 45 and 46: U(VI) � Nitric Acid (cont) Source
Page 47 and 48: Pu(III) and Pu(VI) � Nitric Acid
Page 49 and 50: Pu(IV) � Nitric Acid (cont) • T
Page 51 and 52: Pu(IV) � Nitric Acid (cont) • T
Page 53 and 54: Pu(IV) � Nitric Acid (cont) • P
Page 55 and 56: Example of Th/U/Pu Separation 1 Th,
Page 57 and 58: Extraction Chromatography (cont)
Page 59 and 60: Extraction Chromatography (cont) Re
Page 61 and 62: UTEVA Resin (cont) [HNO 3] k’ 0.3
Page 63 and 64: TRU Resin (cont) [HNO 3] k’ 0.2 M
Page 65: TEVA Resin (cont) [HNO 3] k’ 0.3
Page 69 and 70: References 1. Morss, L. R., Edelste
Page 71 and 72: Analytical Methods 1. U.S. Environm
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