amphoteric
Adjective
Meaning
Partly one and partly the other; neither acid nor alkaline; neutral.
Source: Webster's dictionarySynonyms
Antonyms
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Examples
Basic aluminium hydroxide AlO(OH), which may be present in bauxite, is also amphoteric.
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.
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.
It is compatible with cationic, anionic, non-ionic and amphoteric surfactants.
Mackam® 50 SB by Solvay acts as a viscosity builder, amphoteric surfactant and foaming agent.
Amphoteric substances An amphoteric substance is one that can act as an acid or as a base, depending on pH.