About: http://webisa.webdatacommons.org/141762346

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	HF can be removed, for example, by washing the raw product with water or by removing HF by stripping the raw product, for example with an inert gas, especially nitrogen or carbon dioxide.
http://www.w3.org/ns/prov#wasQuotedFrom	sumobrain.com