About: http://webisa.webdatacommons.org/12364147

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	In addition, zeolites as characterized herein which are substantially free of aluminum, i.e. having silica to alumina mole ratios of 1,600 and higher, are found to be useful and even preferable in some instances.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com