tarang

Katelyn, Thanks for the help! That makes sense, and now I know what speciate is doing. I updated the information, and now I'm getting pyrite as the dominant type of iron sulfide scale present. However, I know other scales can form, so I tried using the suppress feature. Is that a function of stability? So pyrite is the most stable, and the second most stable is pyrrhotite (see attached)? Also, I looked through the mineral species, and the only iron sulfide compounds I saw were pyrrhotite, troilite, and pyrite. I am also aware of greigite, mackinawite, and marcasite. Is there a way to incorporate them as well? Thank you! Stability Diagram_Iron Sulfide and Iron Oxide_Suppress.ac2

Hi, I am trying to create an iron sulfide and iron oxide stability diagram and having difficulty inputting both a sulfate concentration and H2S concentration. The species I am interested in analyzing contains 0.004 mol/L H2S and 2.1 mol/L Na2SO4 and both contribute to the formation of troilite and pyrite, but I cannot seem to model them together. The module only lets me specify one or the other in the Basis Page under "in the presence of." Please see the attached file for more information. Thank you! Stability Diagram_Iron Sulfide and Iron Oxide.ac2