About: http://webisa.webdatacommons.org/13073014

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	are preferred.Sodium and potassium, and especially sodium silicates are preferred.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com