About: http://webisa.webdatacommons.org/150485283

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	If test sample contains solvent other than water, then use this solvent as the negative control tube.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com