About: http://webisa.webdatacommons.org/6266028

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 the fabrication and manufacture of a soft gel contact lens which includes UV stabilizers and absorbers, it is preferred first to distill the material such as HEMA so as to remove all hydroquinone from the monomer.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com