About: http://webisa.webdatacommons.org/278790313

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	It is widely used in various fields, including purity test of medicines, farm chemicals, chemicals, air quality, oil elements and impurity analysis.
http://www.w3.org/ns/prov#wasQuotedFrom	thomasnet.com