About: http://webisa.webdatacommons.org/343226652

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	An advantage of using an atomic emission source for calibration is that the radiation wavelengths of the atomic emission lines are well known and do not vary substantially with environmental conditions such as temperature and moisture.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca