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Explanation: Anfofilas, anfófilas, anfofílicas no están definidas por la RAE.
Anfotéricas sí está aceptada.
Amphophilic aparece en Google 4 veces. No aparece en Webster's on-line.
Amphoteric aparece en Google 3900 veces y en varios diccionarios.
Ver definición en, http://www.ucc.ie/academic/chem/dolchem/html/dict/000a1.html
An amphoteric substance is one which has both acidic and basic properties and which can behave as a weak base or a weak acid under different experimental conditions.
slothm Local time: 11:34 Works in field Native speaker of: Spanish PRO pts in category: 16