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Found 5 results

  1. Hi, I'm using React to run dissolution experiments of minerals under Archean seawater conditions. In Gtplot, I noticed that for all of my model runs, plotting "mass reacted" (of the primary mineral) vs Rxn Progress shows a straight line that ends when the y-coordinate reaches the input mass. For example, if I run react 100 g Anorthite and plot "Mass reacted, Anorthite (g)" vs Rxn progress, the line goes from 0 to 100 g (see attached plot). Does this mean all 100 g have been dissolved and are now in solution with no primary mineral remaining? Or can React model a dynamic equilibrium where, for example, you have seawater sitting on top of a crust (made of feldspar, olivine, etc) and the crust dissolves until it reaches saturation?
  2. Hello, I was wondering if someone could help me troubleshoot an issue. I have created a GSS spreadsheet with water quality data for multiple samples and locations to create XY plots, however the Gtplot program keeps crashing when I prompt the request. I am able to create Durov diagrams, piper plots etc, the only type of plot/diagram which keeps crashing is the XY series type. I am sometimes able to convert another type of diagram into a XY series plot, in which case it no longer crashes. I have attached the GSS spreadsheet I used. Note - we inserted a blank sample at the bottom in order to troubleshoot the issue, but this did not help. Is there anything I can do to prevent it from crashing? Thank you, Chelsea Chelsea_WQdata_GWBforum.gss
  3. Dear GWB community, I would like to plot SI for mineral saturation, rather than (Q/K). My GSS spreadsheet is showing log (Q/K), but when I do an XY plot with "mineral saturation", Gtplot always uses (Q/K) rather than log (Q/K). If I switch the scale to log, it does not transform the data, only the axis scale. How can I plot SI (log (Q/K)) directly for mineral saturation using Gtplot? I found a work-around by copy/pasting the log (Q/K) column calculated by GSS into a new user-defined analyte, but it would be better if SI could be plotted directly. Thank you for your time and consideration. Andy
  4. Hello, I have done a small sorption modelling (works fine) and I wanted to add some experimental points to the graphic output using the File > Open > Scatter data. I have my data points (ok, not my data points but from a paper) as ASCII file (tab seperated values, BB93.txt), but no points were displayed. Is there a way to import ASCII files as scatter data or do I have to create an .gss file? Thank you! FeOH_Np.sdat Np-Sorption.rea BB93.txt
  5. Of course its a Friday afternoon.... I am having a problem with Gtplot in GWB 10.0.3. Gtplot will not save image files from Piper plots. It tells me its saving an image to the directory I indicate of the type that I want, and it does not create a file. I have tried for all image types available. I can print, but when I print to Acrobat PDF the image elements end up in the corner of the page. I’m stuck.
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