Carbon Dioxide Content in Cement

The testing equipment consists of: Y-piece with Mohr clip; CO2 absorption tower for gas or air stream; dropping funnel; distil­lation flask with electric mantel heater and three-armed still head; condenser; wash bottle for concentrated sulphuric acid; two absorption U-tubes for Hydrogen Sulphide and water respectively; three absorption tubes for water and carbon dioxide. Two of them are to be weighted, the third one is for protection. Chemicals not included.