About: http://webisa.webdatacommons.org/394337723

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	In a preferred embodiment, the surfaces are first cleaned using a detergent followed by rinsing with an acid solution such as a nitric acid solution to remove particulate contamination and soluble heavy metals respectively.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es