| http://www.w3.org/ns/prov#value | - in this respect, provided it contains ion-forming groups which can be converted into salt groups by neutralization and which, as a result, are able to take over the function of ionic stabilization of the particles in water. [0049] Suitable anion-forming groups include acid groups such as carboxylic acid, sulfonic acid or phosphonic acid groups, especially carboxylic acid groups.
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