About: http://webisa.webdatacommons.org/179524897

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	Further, as used herein, the term hardening substances" refers to substances including dissolved minerals and/or ions, such as calcium, bicarbonate, sodium, chloride, and/or magnesium ions, therein.
http://www.w3.org/ns/prov#wasQuotedFrom	sumobrain.com