Supports the following standards: ASTM D244, ASTM D95, ASTM D1461, AASHTO T59, AASHTO T110 The Dean Stark moisture test apparatus is used to determine the water content in petroleum products, tars, emulsified asphalts and other bituminous materials by the distillation method. The distillation process allows the water in the test sample to be isolated and collected in the receiver of the Trap. This model uses an aluminum still, which is heated by a gas, ring burner. The complete set is comprised of the items listed in the table below. Components Ring burner: H-1876 Aluminum still, 0.95L: H-1871 Distillation trap, 20ml, 25ml, or 10ml: H-2435.25, H-2435.10 Condenser, liebig: H-2430.3 Support stand: H-21232 Clamp, brass: H-8325 Clamp, round jaw, coated: H-8572