About: http://webisa.webdatacommons.org/406623448

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 coating compositions may also comprise a gas generating substance such as a carbonate or bicarbonate salt, for example a dry mixture of powdered NaHCO3 and an acid such as oxalic, citric, tartaric or aspartic acid.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk