# Graphs Ca vs F concentration in equilibrium with fluorite # SOLUTION 1 pH 7 charge C 1 CO2(g) -1 Ca 1 Calcite F 1 Fluorite REACTION NaAlSi3O8 1 7.5e-3 in 15 EQUILIBRIUM_PHASES 1 Fluorite Calcite Quartz 0 0 Kaolinite 0 0 USER_GRAPH -headings Ca F pH -chart_title "Fluorite Equilibrium during Na-Feldspar dissolution" # -axis_scale x_axis 0 160 # -axis_scale y_axis 0 10 # -axis_scale sy_axis 6.5 7.5 -axis_titles "Ca / (mg/L)" "F / (mg/L)" "pH" -initial_solutions true -start 10 graph_x tot("Ca") * 40.08e3 20 graph_y tot("F") * 19e3 30 graph_sy -la("H+") 40 if step_no = 0 then plot_xy tot("Ca") * 40.08e3, tot("F") * 19e3, symbol = Circle, symbol_size = 15, color = Red 50 if step_no = 0 then plot_xy tot("Ca") * 40.08e3, -la("H+"), y_axis = 2 symbol = Circle, symbol_size = 15, color = Green -end END