THE SMART TRICK OF GERMANIUM THAT NO ONE IS DISCUSSING

Among the many acids, only concentrated nitric or sulfuric acid or aqua regia (a mix of nitric and hydrochloric acids) attack germanium appreciably. Whilst aqueous caustic alternatives produce minor effect on it, germanium dissolves fast in molten sodium hydroxide or potassium hydroxide, therefore forming the respective germanates.Polycrystalline G