About: http://webisa.webdatacommons.org/421799204

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 some instances, it may be desirable to mix two or more different types of ultraviolet light absorbing units, in which case the sum of the concentrations of such units should fall in the range of 0.05 to 10 mol percent.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com