About: http://webisa.webdatacommons.org/129236329

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	A test solution is prepared as follows, having a total volume of about 3 ml: --------------------------------------------------------------------------- TEST SOLUTION Tris(hydroxymethyl)aminomethane, 0.1 molar, pH 8: 2.5 ml.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com