About: http://webisa.webdatacommons.org/179371333

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 pyrophosphate not only neutralizes the acidity of the metaphosphate, but has some action in softening the water, particularly on the magnesium.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com