About: http://webisa.webdatacommons.org/152883171

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 practice, a porous material with a pore size of between. 1 nm and 50 ??m is used, such as for example chemically inert cellulose, in the form of a dialysis tube or a closed bag made from filter paper or non-woven material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com