About: http://webisa.webdatacommons.org/310941726

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	The sulphates and other salts of nickel, copper, cobalt, iron, or other metals, having an aflinity for ammonia, may also be substituted for the nickel chloride.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com