About: http://webisa.webdatacommons.org/314851664

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 came with little paper sheets so you could measure the pH and tell if something was an acid or a base.
http://www.w3.org/ns/prov#wasQuotedFrom	chemheritage.org