<http://webisa.webdatacommons.org/prov/339766078>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/53383663> .
<http://webisa.webdatacommons.org/prov/318658560>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/53383663> .
<http://webisa.webdatacommons.org/53383663>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/53383663>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<mdpi.com> .
<http://webisa.webdatacommons.org/53383663>	<http://www.w3.org/ns/prov#value>	"Solid phase extraction (SPE) on C-18 cartridges gave good results [84,142,147] and specifically removed substances such as pigments and lipids that not only affect sample analysis but also significantly shorten the life of the columns." .