About: http://webisa.webdatacommons.org/383151068

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	In particular. the plain silica gel column performed quite poorly under conditions where cations other than Pb2+ were present at much greater concentrations than that of Pb2+.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com