About: http://webisa.webdatacommons.org/422291290

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	During ettringite precipitation, contaminants such as nitrate, chloride, fluoride, boron and metals may be incorporated into its structure.
http://www.w3.org/ns/prov#wasQuotedFrom	wateronline.com