About: http://webisa.webdatacommons.org/80001356

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	Because of their relatively low cost and ready availability, inorganic salts such as potassium carbonate, cesium carbonate and mixtures of these and similar materials with other metallic compounds are generally preferred.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com