About: http://webisa.webdatacommons.org/211651809

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	Therefore, it is very important that samples are dry, free of foreign substances such as solvent, dust, rust, hair, aluminum foil, parafilm, and paper filter fibers (the most common contaminant).
http://www.w3.org/ns/prov#wasQuotedFrom	niu.edu