DATABASE C:\Program Files\USGS\Phreeqc Interactive 2.7.1\phreeqc.dat
# IS.12. Exercise
SOLUTION_SPREAD
    -units    mg/l
 Number	  Temp	      pH	  Ca	  Mg	  K	  Na	 Alkalinity	  Cl	 Si	 S(6)	        Al
      	      	 Calcite	    	    	   	    	   as CaCO3	    	   	     	 Kaolinite
      6	 17.46	   10.31	 2.6	 3.5	 12	 330	        291	 280	 19	   75	         1
END