Assertion: bog's peat | /r/HasProperty | adsorbed onto the peat
Facets:
value: in exchange for h+ ions
type: PURPOSE
value: preferentially
type: MANNER
Source sentences:
text: Peat has very high cation-exchange capacity due to its high organic matter content: cations such as Ca2+ are preferentially adsorbed onto the peat in exchange for H+ ions.