About: http://webisa.webdatacommons.org/158247258

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 most applications, the composition may further comprise a desiccant material (for example, zeolite) or other material which absorbs impurities, such as hydrogen or other gases.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es