About: http://webisa.webdatacommons.org/82751681

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	Also, heavy metals, such as Lead, Zn, and Cu, were tested and showed an efficacy exceeding the 99.8%.
http://www.w3.org/ns/prov#wasQuotedFrom	ccsenet.org