Used in general purpose distillation and phenol distillation. Flask has a flat bottom and a distillation head with a Standard Taper 19/38 joint. Supplied with a Standard Taper stopper. Condenser is Graham-style having a 200mm jacket with a Standard Taper 19/38 joint at the top only. For method, reference APHA Examination for Water and Wastewater. (K21500)