log a fe = −8 −6 −4. edit → copy as → enhanced metafile create diagrams in act2, tact,...
TRANSCRIPT
0 2 4 6 8 10 12 14–70
–60
–50
–40
–30
–20
–10
0
pH
log
a O
2(a
q)
Fe++
Fe+++
FeOH++
FeO(c)
Hematite
Magnetite
100°C
log aFe = −8−6
−4
Edit → Copy As → Enhanced Metafile
Create diagrams in Act2, Tact, Gtplot, or Xtplot, then copy and paste into PowerPoint as Enhanced Metafiles.
Right-click the plot, then Ungroup. Choose yes to convert image to a Microsoft Office drawing object.
Select desired line segments, edit color or style, then copy to clipboard.
Paste into a single image.
Select every element, then combine into a single group.
0 2 4 6 8 10 12 14–70
–60
–50
–40
–30
–20
–10
0
pH
log
a O
2(a
q)
Fe++
Fe+++FeOH++
FeO(c)
Hematite
Magnetite
100°C
Composite activity diagram shows the effect of Fe++ activity on mineral stability fields.
log aFe = −8−6−4