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System Cu-O-H-S


ruth
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Hello,

 

We are trying to reproduce the diagram Eh vs pH for the system Cu-O-H-S under different concentrations of Cl- using the Act2 program (v 6.0). Our problem is when we include the covellite and chalcocite to the diagram, the field of the soluble chemical species of Cu (Cu2+ and CuCl-2) and the minerals (tenorite, curpite and native copper) disappear.

We attachement the pdf article. The figure that we can reproduce is fig. 2

 

Thank your for your help

 

Ruth

p1036-p1048.pdf

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Hello,

 

We are trying to reproduce the diagram Eh vs pH for the system Cu-O-H-S under different concentrations of Cl- using the Act2 program (v 6.0). Our problem is when we include the covellite and chalcocite to the diagram, the field of the soluble chemical species of Cu (Cu2+ and CuCl-2) and the minerals (tenorite, curpite and native copper) disappear.

We attachement the pdf article. The figure that we can reproduce is fig. 2

 

Thank your for your help

 

Ruth

 

Hi Ruth:

 

The attached script mostly resembles figure 2, other than that the default thermo database is missing data for anilite, djurlite and Cu4(OH)6Cl2.

 

Re-creating the diagram is one thing, but understanding the assumptions behind it are another, so feel free to ask me questions about this configuration.

 

Regards,

 

Tom Meuzelaar

RockWare, Inc.

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