About: http://webisa.webdatacommons.org/310014457

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 acid material suitable for use in the present invention is not particularly limited, however acids such as sulfuric acid, salicylic acid, fumaric acid, and citric acid have shown particular effectiveness.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es