About: http://webisa.webdatacommons.org/315212659

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	In each case, the black ink is a pigment-based black ink having a proprietary composition that is presently employed in Hewlett-Packard's DeskJet 850??? printer, the ink having a pH of about 8.5.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com