PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ???Molecular weight??? of a polymer refers to weight average molecular weight as determined by gel permeation chromatography (GPC), preferably using commercially available polymers e.g. polyaspartate, polyacrylate, copoly(acrylate/acrylamide), or polysaccharides, such as dextrans, as standards.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com