About: http://webisa.webdatacommons.org/242584718

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	An ammonium ion in the general formulae denotes preferably a monoalkyl-, dialkyl- or trialkylammonium ion, the alkyl radicals containing preferably 1 to 6, in particular 1 to 4, and very particularly preferably 1 or 2, carbon atoms.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com