- 11.1 - (i+l)+ + e U11+ U1 2+ + e The Saha equation for reaction (6.12) is Ni+l Ne - 2 Ui 2 e k 3/2 eEi/kT Ni 2ui h2 T e (6.12) (6.13) where N. = u(i-l)+, i = 1, 2, . . ., 13 The symbols are defined as in Chapter V. The complete set of uranium reaction equations is N2 Ne N - KI N3 Ne N2 K 2 (6.14-1) (6.14-2)