About: http://webisa.webdatacommons.org/291089644

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 one embodiment, the charging agent is a metal sulfonate compound or a mixture thereof wherein the metal is barium, calcium, magnesium, sodium, potassium, cesium, or lithium.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com