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Re: GAS_PHASE question




TITLE Calcite dissolution in closed volume of acidic water
SOLUTION 1
  pH 4.0 charge
  Cl 1.0  # ~ pH 3
# C(4)      1     CO2(g)      -3.5   # initially air?
  Water 1.0

GAS_PHASE 1
 -fixed_volume
 -pressure 1.0
 -volume 0.00001
 -temperature 25.0
 CO2(g)     0
#  CO2(g) .000316  # Initially air ??

REACTION 1
  CaCO3 1.0
  0.0009 moles in 4 steps

#EQUILIBRIUM_PHASES # Do not use
# CO2(g) 0.0 0.0
END

David Parkhurst (dlpark@xxxxxxxx)
U.S. Geological Survey
Box 25046, MS 413
Denver Federal Center
Denver, CO 80225

Project web page: https://wwwbrr.cr.usgs.gov/projects/GWC_coupled




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