About: http://webisa.webdatacommons.org/382886276

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 the first step the heating can be carried out over a period of about 1 to 5 hours at about 175??? C. under an atmosphere of an inert gas such as nitrogen or carbon dioxide.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com