https://nova.newcastle.edu.au/vital/access/ /manager/Index ${session.getAttribute("locale")} 5 https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:43461 2O₃), goethite (FeO(OH)) and silica (SiO₂). Pure mineral samples were sieved to the 63 - 90 mum size fraction and tested using our custom-made electrostatic agglomeration rig. A dry particle bed of 2 - 5 mg was formed on a glass slide on a metal charging plate and the bed raised toward a pendent, earthed water droplet at 50 µm·s^-1. The particles transfer, or jump, to the droplet as the electric field between the bed and droplet changes during approach, resulting in a net force on the particles. At applied voltages ranging from 1.5 - 3.0 kV the separation between the bed and particles when the particles were first observed to transfer was monitored. For each mineral the separation increased with applied voltage due to increased electric field strength. Pure goethite transferred most readily at all voltages as the drop-bed separation distance when the first particle was observed to jump was the greatest, whereas haematite and silica behaved similarly. High cohesion between goethite and haematite particles in mixed particle beds of both minerals resulted in particles transferring to the drop at separations between those observed for beds of the pure minerals. Careful determination of mineral composition of the dry bed and the transferred particle sample will indicate whether this approach may have potential application as a "rougher"-type step in the separation of goethite from haematite.]]> Tue 20 Sep 2022 08:42:32 AEST ]]> https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:44614 Tue 18 Oct 2022 08:44:24 AEDT ]]> https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:44431 Thu 13 Oct 2022 09:58:34 AEDT ]]> https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:44433 Thu 13 Jul 2023 14:46:58 AEST ]]>