About: http://webisa.webdatacommons.org/441430972

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	If desired, promoters or extenders may be employed, including, for instance, other forms of ruthenium such as sodium or potassium ruthenate.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com