About: http://webisa.webdatacommons.org/323985139

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	It is also preferred to effect the process using apparatus and solvents which have been carefully freed from impurities, such as oxygen, water and other substances which would otherwise react with the catalysts.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com