About: http://webisa.webdatacommons.org/446941951

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	However, given the mass of the material, there are believed to be other substances not detectable by mass spectrometry or other means.
http://www.w3.org/ns/prov#wasQuotedFrom	wikidot.com