2 Experimental
Flotation tests were carried out in a Mekhanobr
laboratory flotation machine equipped with a 0.25 L cell.
A geological sample of carbonaceous copper shale was
originated from the Kupferschiefer stratiform copper ore
(Legnica-Glogow Zechstein Copper Basin LGOM),
while quartz (98% SiO2, 0.05% Fe2O3, 0.3% TiO2)
was originated from the Osiecznica Mine,