About: http://webisa.webdatacommons.org/260485363

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	wherein Rf a and M have the meaning as defined in formula (II), X is a hydrogen atom or a fluorine atom and r has a value such that the molecular weight of the surfactant is at least 1000 g/mol.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr