About: http://webisa.webdatacommons.org/423560872

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	They are preferably in the form of the salts, especially the alkali metal and alkaline earth metal salts and in particular in the form of the sodium, potassium and calcium salts.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es