Adjective
Partly one and partly the other; neither acid nor alkaline; neutral.
Source: Webster's dictionaryBasic aluminium hydroxide AlO(OH), which may be present in bauxite, is also amphoteric. Source: Internet
In the first phase, aluminium dissolves in hot alkaline solution as Al(OH)main but other hydroxides usually present in the mineral, such as iron hydroxides, do not dissolve because they are not amphoteric. Source: Internet
Jolly, William L., Modern Inorganic Chemistry (McGraw-Hill 1984), p. 196 The bicarbonate ion is an amphoteric species that can act as an acid or as a base, depending on pH of the solution. Source: Internet
It is compatible with cationic, anionic, non-ionic and amphoteric surfactants. Source: Internet
Mackam® 50 SB by Solvay acts as a viscosity builder, amphoteric surfactant and foaming agent. Source: Internet
Amphoteric substances An amphoteric substance is one that can act as an acid or as a base, depending on pH. Source: Internet