About: http://webisa.webdatacommons.org/18944111

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	Examples of a buffer used herein include buffers comprising acetic acid, citric acid, sodium hydroxide, a salt thereof or tris(hydroxymethyl)aminomethane, and other buffers used in ordinary chemical experiments.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com