   Input file: ../examples/ex19
  Output file: ex19.out
Database file: ../database/phreeqc.dat

------------------
Reading data base.
------------------

	SOLUTION_MASTER_SPECIES
	SOLUTION_SPECIES
	PHASES
	GAS_BINARY_PARAMETERS
	EXCHANGE_MASTER_SPECIES
	EXCHANGE_SPECIES
	SURFACE_MASTER_SPECIES
	SURFACE_SPECIES
	MEAN_GAMMAS
	RATES
	END
------------------------------------
Reading input data for simulation 1.
------------------------------------

	TITLE Example 19.--Linear, Freundlich and Langmuir isotherms for
	      Cd sorption on loamy sand. Calculates Example 7.1
	      from Appelo and Postma, 2005. Data from Christensen, 1984.
	SURFACE_MASTER_SPECIES
	      Linear Linear
	      Freundlich Freundlich
	      Langmuir Langmuir
	SURFACE_SPECIES
	  Linear = Linear
	  Linear + Cd+2 = LinearCd+2
	      log_k -100.7         # log10(0.2) - 100
	      mole_balance LinearCdCl2
	  Freundlich = Freundlich
	  Freundlich + 0.722 Cd+2 = FreundlichCd+2
	      log_k -102.61        # log10(0.421) + (0.722 - 1) * log10(112.4e6) - 100
	      no_check
	      mole_balance FreundlichCdCl2
	  Langmuir = Langmuir
	  Langmuir + Cd+2 = LangmuirCd+2
	      log_k 6.56           # log10(112.4 / 30.9e-6)
	      mole_balance LangmuirCdCl2
	SURFACE 1
	      Linear 1e100 1 1
	      Freundlich 1e100 1 1
	      Langmuir 8.45e-8 1 1  # 9.5 / 112.4e6
	      no_edl
	SOLUTION 1
	      pH  6
	      Ca  1
	      Cl  2
	REACTION 1
	      CdCl2 1
	      0.7e-6 in 20
	USER_GRAPH Example 19
	      -headings Linear Freundlich Langmuir
	      -chart_title "Sorption Isotherms"
	      -axis_titles "Dissolved Cd, in micrograms per kilogram water"                     "Sorbed Cd, in micrograms per gram soil"
	      -plot_tsv_file ex19_meas.tsv
	      -axis_scale x_axis 0 40
	      -axis_scale y_axis 0 6
	      -initial_solutions true
	  -start
	10 x = act("Cd+2") * 112.4e6
	20 PLOT_XY x, mol("LinearCd+2")*112e6, color = Green, symbol = None, line_width = 2
	30 PLOT_XY x, mol("FreundlichCd+2")*112e6, color = Blue, symbol = None, line_width = 2
	40 PLOT_XY x, mol("LangmuirCd+2")*112e6, color = Orange, symbol = None, line_width = 2
	  -end
	PRINT
	     reset false
