About: http://webisa.webdatacommons.org/368917080

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	Required unless the test material is corrosive to skin or has pH <2 or >11.5.
http://www.w3.org/ns/prov#wasQuotedFrom	cornell.edu