About: http://webisa.webdatacommons.org/407146973

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 beta-aluminas are solid compounds, of the general formula M 0, xAl O wherein M is an alkali metal and x is a number between and 11.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr