Online Wiring Diagram

› v › 10432Distillation Column Operation and Effects of Reflux Ratio ... When the reflux drum level reaches 50%, put the reflux flow controller in AUTO, give it a setpoint (SP) of 20%, and turn on the reflux pump. As soon as you measure a reflux flow on the controller, gradually decrease the setpoint in steps of a percent every few seconds until the reflux flow rate is 12 - 13% of span (span = the total range of the ... PDF How to set up a reflux apparatus • Heating mantle • Magnetic stir plate • Sand • 250 ml round-bottomed flask • Boiling chip • Reflux condenser • Two rubber tubings • Iron stand • Clamp Procedures Basic Setup 1) Setting up the heating mantle • Choose the right size of the heating mantle and put it on a magnetic stir plate. The heating mantle should fit the flask size. A Brief Introduction to Refluxing - YouTube Professor Davis discusses the advantages and details of refluxing organic solutions in the laboratory. Reflux apparatus diagram