About: http://webisa.webdatacommons.org/194830926

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	However, the determination of metal speciation in complex and heterogeneous systems such as soils and sediments is far from a trivial task.
http://www.w3.org/ns/prov#wasQuotedFrom	udel.edu