About: http://webisa.webdatacommons.org/158784196

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	The only requirement is that they dissolve in solvents such as acetone or methanol, and be able to withstand a vacuum.
http://www.w3.org/ns/prov#wasQuotedFrom	google.de