About: http://webisa.webdatacommons.org/435242520

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	For both the optional drying step and the heating step, preferably the mixture is heated in an inert or reducing atmosphere such as hydrogen, nitrogen, helium, argon or mixtures thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr