About: http://webisa.webdatacommons.org/112811285

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 bicarbonate salt is mostly calcium bicarbonate Ca (HCO3)2, the agent that makes water hard (temporary hardness).
http://www.w3.org/ns/prov#wasQuotedFrom	cdas.org.au