chemical thermodynamics of neptunium and plutonium - U.S. ...

10 21 3 2 3 3 2 3 2 3log 10 K s,0 NaMO 2 CO 3·3.5H 2 O(s, fresh) Å Na + + MO + 2 + CO2− 3 + 3.5H 2 O −(11.16±0.35)log 10 K s,0 NaMO 2 CO 3 (s, hyd, aged) Å Na + + MO + 2 + CO2− 3 −(11.66±0.50)log 10 K s,0 Na 3 MO 2 (CO 3 ) 2 (s, hyd) Å 3Na + + MO + 2 + 2CO2− 3 −(14.70±0.66)log 10 (β V 3 /βIV 5 ) MO+ 2 + M(CO 3) 6−5Å M 4+ + MO 2 (CO 3 ) 5−3 + 2CO 2−3 −(26.5±1.0) −(30.12±1.16)log 10 β 5 r H mlog 10 K 5log 10 (β IV3 /βIIIlog 10 β 1log 10 β 2log 10 β 3log 10 K s,0log 10 K s,0M 4+ + 5CO 2−3Å M(CO 3 ) 6−5 (33.9±1.0) (35.62±1.15) (39.3±2.1)−(20.0±4.0)M(CO 3 ) 4−4 + CO 2−3Å M(CO 3 ) 6−5 −(1.12±0.25) −(1.07±0.30) −(1.36±0.09)3+ 2CO 2−3Å M 3+ + M(CO 3 ) 6−5(19.96±2.27) (20.1±0.9)M 3+ + CO 2−3Å MCO + 3(7.8±0.3)M 3+ + 2CO 2−3Å M(CO 3 ) − 2 (12.3±0.4)M 3+ + 3CO 2−3Å M(CO 3 ) 3−3(15.66±2.51) (15.2±0.6)M(CO 3 ) 1.5 (s) Å M 3+ + 1.5CO 2−3 −(16.7±1.1)3 ) M4+ + M(CO 3 ) 3−MCO 3 OH(s) Å M 3+ + CO 2−3+ OH − −(21.2±1.4)12. Neptunium group 14 compounds and complexes