For determining water content in petroleum or bituminous products, graduated upwards from the stopcock to 3mL in 0.2mL divisions and from 3mL to 20mL in 0.5mL divisions. Reference: Barrett method B-2. Also can be used as Dean Stark distillation apparatus specified in British Standard 756, but utilizes a common U.S. ground joint. It is also an optional setup for ASTM D-95.
