About: http://webisa.webdatacommons.org/102863094

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	Examples of useful cations in this connection include sodium and potassium ions and the cations of non-toxic amines such as e.g. tris(hydroxymethyl)aminomethane, ethanolamine, diethanolamine and N-methylglucamine.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk