About: http://webisa.webdatacommons.org/227170475

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	Even pure silver (unalloyed with copper or other elements) that has been exposed to outdoor environment for years may be damaged by aggressive corrosion caused by humid conditions and dissolved salts.
http://www.w3.org/ns/prov#wasQuotedFrom	jcms-journal.com