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                                 5
                    NTOT =Ne +      N.             (5.45)
                                i=J-1


where Z. is the net charge of the species N. To avoid
       1                                   1.
computations involving particle densities on the order of

1020/cc, the equations are scaled by dividing each term by

the total particle density, NTOT.  Using the definitions


                     N.           K.
                     N 1   K. * - N                (5.46)
                     NTOT   l     TOT


the scaled equations are

               C 1
               2  = K(5.47)


               CC
               3 e     K                           (5.48)
                   2 -K2


               C C
               2   e  _ *                          (5.49)
               C        3
                 4

               C~ Ce
               Cs e    K                           (5.50)
               C1       4



               Ce = C3 - C4 + CS                   (5.51)


                         5
               1l= C e + i  C                      (5.52)