About: http://webisa.webdatacommons.org/133399861

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	litmus paper noun litmus paper [uncountable]HC paper containing litmus, used to test whether a chemical is an acid or an alkali Definition of litmus paper from the Longman Dictionary of Contemporary English within the topic CHEMISTRY
http://www.w3.org/ns/prov#wasQuotedFrom	ldoceonline.com