About: http://webisa.webdatacommons.org/59389727

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	A variety of techniques and devices are commercially available for the detection and measurement of substances present in fluid or other translucent samples by determining the light absorbance of the sample.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es