About: http://webisa.webdatacommons.org/183027236

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	Such by-products may include derivatives such as oxides and hydroxides of the ion, e.g., calcium oxide, zinc oxide, magnesium oxide, zinc hydroxide, calcium hydroxide, and magnesium hydroxide.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es