Ultrapure water is subject to autoprotolysis. Here, oxonium ions H3O+ and hydroxide ions OH– are formed. H2O can react both as a proton donor (acid) or as a proton acceptor (base). This is also referred to as an ampholyte.
Eugen G. Leuze Verlag KGKarlstraße 488348 Bad Saulgau
Tel.: 07581 4801-0Fax: 07581 4801-10