About: http://webisa.webdatacommons.org/416757628

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	For elements such as S, Se, P, K, and Ca, isobaric and molecular interferences from either the sample matrix or plasma species interfere with the primary isotope.
http://www.w3.org/ns/prov#wasQuotedFrom	usgs.gov