Logarithmic diagrams (H+,CO3-2)

A logarithmic diagram shows the concentrations (on a logarithmic scale) for all species in a chemical system. This is usually plotted against a free concentration. Example for the system H⁺, CO₃²⁻:

This diagram was obtained with the following input file:

2 5 0 0
H+,  CO3 2-
CO2    ,  16.68  2 1
CO2(g) ,  18.15  2 1
H2CO3  ,  13.91  2 1
HCO3-  ,  10.33  1 1
OH-    , -14.00 -1 0
LC,-9, 1, H+,
LAV, -1 -12   T, 0.01