About: http://webisa.webdatacommons.org/75545356

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 base is a metal oxide, hydroxide or salt, wherein the metal is chosen from the group consisting of calcium, magnesium, barium, titanium, zinc, lead, strontium and cobalt.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com