About: http://webisa.webdatacommons.org/405505550

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	The point is there are a number of reasons why PHTH may not work as well as a pH meter in some cases yet works fine in other cases.
http://www.w3.org/ns/prov#wasQuotedFrom	journeytoforever.org