About: http://webisa.webdatacommons.org/398436903

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	Note that the hot plate should be configured of a material such as quartz, to ensure that contamination by heavy metals, for instance, is prevented.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com