About: http://webisa.webdatacommons.org/284519140

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	Specifically, alkali metal or alkaline earth metal compounds and salts such as sodium, potassium, calcium, ammonium etc. sulfites, bisulfites, hydrosulfites etc. can be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com