About: http://webisa.webdatacommons.org/4306482

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	(a) introducing the sample to a column of an anion exchange material in particulate form equilibrated in a liquid, such as a buffer, having a pH of between 5 and 8, preferably between 6.5 and 7.5;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com