About: http://webisa.webdatacommons.org/309792312

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	The test may also be conducted using an indicator immobilized onto a surface such as glass or paper provided that suitable equipment for qualitative or quantitative determination of the response is available.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com