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!if $wims_read_parm!=slib_header
!goto proc
!endif
slib_title=Returns the number of electrons in a redox reaction
slib_parms=1\
, molecule or chemical equation
slib_author=Georges Khaznadar
slib_license=GPL
slib_out= number of electrons found on either side of the equation
slib_comment=Enter formulas as accepted by the command chemeq
slib_example= Cr2O7^2- + 14H^+ + 6e^- -> 2 Cr^3+ + 7H2O\
Fe^3+ + e^- -> Fe^2+
!exit
:proc
chemeq_option=e
slib_e=!exec chemeq $wims_read_parm
!reset chemeq_option
slib_out=!replace .*e^-|\([^*]*\)\*.* by \1 in $slib_e