About: http://webisa.webdatacommons.org/447442569

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	Further, the mixture of HF water solution and ozone water can not only prevent attachment of metal impurity contained in the mixture, but also remove heavy metal such as Cu which cannot be removed only by use of HF water solution.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au