About: http://webisa.webdatacommons.org/424335411

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	Best results are usually obtained when this final distillation or polycondensation is run at less than about 5 mm. pressure and about 200???-270??? C. for less than about two hours e.g. 0.5 to 1.5 hours.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com