Rights: University of Waikato Published 9 April 2010, Updated 29 March 2017 Download


In the milling room, Bill places the ball-milling container on the rotating rack where it will sit for an extended period of time – typically overnight.

This step in the process is essential. It ensures that the very fine component particles are very thoroughly inter-blended such that they sit together as near to a molecular level as possible.

At the end of the mixing phase, excess solvent is evaporated off using a rotary evaporator.