About: http://webisa.webdatacommons.org/453056558

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	The content of aluminum oxide includes all values and subvalues therebetween, especially including 5, 6, 8, 10, 12, 14, 15, 16, 18, 20, 22, 24, 25, 26, 28 and 30% by mass.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com