About: http://webisa.webdatacommons.org/64778439

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	Since copper is easily dissolved in a washing solution such as a hydrogen peroxide solution, copper is etched together with manganese dioxide, which has precipitated on the surface of the cathode 25, during washing.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com