About: http://webisa.webdatacommons.org/383102461

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 a more preferred embodiment the viscoelastic surfactant system may contain a zwitterionic surfactant, for example a surfactant or mixture of surfactants having the formula:
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk