About: http://webisa.webdatacommons.org/101509521

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	So I set about testing every pigment I could find and some manufacturers, particularly M.Graham and Winsor and Newton, were very supportive of my interest and my process of testing.
http://www.w3.org/ns/prov#wasQuotedFrom	artplantaetoday.com