About: http://webisa.webdatacommons.org/271420113

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	I believe it depends upon how much sodium hydroxide is in a particular hardwood and it may vary between oak, hickory and other hardwoods.
http://www.w3.org/ns/prov#wasQuotedFrom	bellaonline.com