About: http://webisa.webdatacommons.org/410229032

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	An etching composition including a mineral acid and a peroxide, preferably, HCl and hydrogen peroxide, is also described.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com