```pascal
FUNCTION "CO2 Solubility" : Real
{ S7_Optimized_Access := 'FALSE' }
AUTHOR : 'Author'
FAMILY : 'Function'
NAME : 'Name'
VERSION : 1.0
   VAR_INPUT 
      i_Temp : Real;
   END_VAR

   VAR_TEMP 
      mT_Cub : Real;
      mT_Quad : Real;
   END_VAR


BEGIN
	                    (* This FUNCTION calculates the CO2 absorption FOR a complete saturation *)
	
	#mT_Cub := SQR(#i_Temp) * #i_Temp ;
	#mT_Quad := SQR(#i_Temp);
	
	IF "Blender_Constants".gCO2_Density <> 0 THEN
	    (* classic code: #"CO2 Solubility" := (-1.41118E-06 * #mT_Cub + 0.000202893 * #mT_Quad - 0.011685848 * #i_Temp + 0.331474668) / "Blender_Constants".gCO2_Density * 10;*)
	    #"CO2 Solubility" := (REAL#-1.41118E-06 * #mT_Cub + REAL#0.000202893 * #mT_Quad - REAL#0.011685848 * #i_Temp + REAL#0.331474668) / "Blender_Constants".gCO2_Density * 10;
	(* classic code: ELSIF "Blender_Constants".gCO2_Density = 0.0 THEN*)
	ELSIF "Blender_Constants".gCO2_Density = REAL#0.0 THEN
	    (* classic code: #"CO2 Solubility" := 0.0;*)
	    #"CO2 Solubility" := REAL#0.0;
	ELSE
	    (* classic code: #"CO2 Solubility" := 0.0;*)
	    #"CO2 Solubility" := REAL#0.0;
	END_IF;
	
END_FUNCTION


```