About: http://webisa.webdatacommons.org/376404619

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	The powder may comprise such materials as potassium acid phthalate (KAP), sodium chloride, potassium chloride, etc., depending on the wavelengths.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com