PHREEQC Kinetics/Graphs _ Output problem!

The HP1 code incorporates modules simulating
(1) transient water flow in variably-saturated media,
(2) transport of multiple components, and
(3) mixed equilibrium/kinetic geochemical reactions.
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Joined: Tue Dec 18, 2012 2:19 am
Location: USA

PHREEQC Kinetics/Graphs _ Output problem!

Post by Safa » Tue Dec 18, 2012 2:28 am


I am using PHREEQC specifically for kinetics problems.

I am having trouble in running codes involving graphs (equilibrium, oxidation, kinetics, etc.). Each time, I got an error message saying: "the .sel file cannot be opened!!"
All other kind of programs run perfectly.
What could be the problem?

Thank you for answering,

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Location: Belgium

Re: PHREEQC Kinetics/Graphs _ Output problem!

Post by diederik » Wed Dec 26, 2012 9:45 pm


I am not 100% sure what you mean with running codes involving graphs?

Do you mean you use the gnuplot option (HP1) or the USER_GRAPH data block from PHREEQC? Note that the USER_GRAPH datablock is not supported by HP1 (this is only supported by one of the available GUI for PHREEQC).

If you use the gnuplot option, then you need to specify your problem because I do not understand it.


mahadev thapa
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Joined: Tue Mar 19, 2013 6:58 am
Location: Japan

Re: PHREEQC Kinetics/Graphs _ Output problem!

Post by mahadev thapa » Tue Mar 19, 2013 7:04 am

i want know how to handle this software for chemical reaction and also ions concentration.

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