About: http://webisa.webdatacommons.org/259792966

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	Filter paper and other kinds of paper are readily available, and the technique is both very flexible in what it can do, and very convenient to use.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org