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React - pH sliding


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I am having problems in react

When make an input file to slide pH, the pH sliding ends around 3, sometimes arout 6 or 8.5.

What should i do to make it go to 14

 

React> show

Temperature is 25 C

Thermo dataset: C:\Program Files\Gwb\Gtdata\thermo_wateq4f.dat

Working directory: c:\users\andré\gwb

Options: del 13-C

 

Basis is:

H2O 1 kg

Zn++ 1 mol

H+ 0 pH

(Charge balancing disabled.)

Reactants:

Slide pH to H+

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Hello:

 

It looks like you don't have a constraint for the HCO3-, which is necessary for the higher pH range. Some constraints on other dissolved solutes (at a minimum Na and Cl) are going to be helpful as well for maintaining charge balance.

 

Regards,

 

Tom Meuzelaar

RockWare, Inc.

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