About: http://webisa.webdatacommons.org/167731316

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	Examples of these optional additives include sulfuric acid, phosphoric acid, nitric acid, ammonium salts, potassium salts, sodium salts, or other cationic salts of sulfates and phosphates, and any combination thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es