| Kationenumtausch | Nominativ, Singular | nominative case, singular | |
| Kationenumtausche | Genitiv, Singular | genitive case, singular | |
| Kationenumtauschen | Dativ, Singular | dative case, singular | |
| Kationenumtausch(e)s | Akkusativ, Singular | accusative case, singular | |
| Kationenumtauscher | Nominativ, Plural | nominative case, plural | |
| Kationenumtauschern | Genitiv, Plural | genitive case, plural | |
| Kationenumtauschn | Dativ, Plural | dative case, plural |