PKINDX    PKINDX    PKINDX    PKINDX    PKINDX    PKINDX    PKINDX    
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SUBROUTINE PKINDX (ICKWRK, KELECT, KKION)
Returns plasma indices for the particular reaction mechanism.

INPUT
ICKWRK(*) - Integer workspace array; dimension at least LENICK.

OUTPUT
KELECT    - Integer scalar, species array index for the electron.
KKION     - Integer scalar, total ion count.