Noun
white crystalline compound that occurs naturally as the mineral gibbsite
Source: WordNetAfter separation of the residue by filtering, pure gibbsite is precipitated when the liquid is cooled, and then seeded with fine-grained aluminium hydroxide. Source: Internet
Basic aluminium hydroxide AlO(OH), which may be present in bauxite, is also amphoteric. Source: Internet
This is an example of Le Châtelier's principle in action: Increasing the concentration of the hydroxide ion causes more aluminium hydroxide to precipitate, which removes hydroxide from the solution. Source: Internet