5.1.3 Sulfuric Acid Condenser.
The condenser is constructed of a borosilicate glass or quartz coil with a medium porosity sintered glass frit at the downstream end. The upstream end of the condenser has an 18/9 standard ball joint to mate with the filter holder exit end. The downstream end of the condenser has an 18/9 standard socket joint to mate with the SO2 impinger system. The condenser is water jacketed; temperature control is provided by a ther mostated , circulating water bath.