About: http://webisa.webdatacommons.org/132320096

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	These test strips are simply dipped into the sample, and the color developed on the strip is compared to a chart supplied by the manufacturer.
http://www.w3.org/ns/prov#wasQuotedFrom	clu-in.org