About: http://webisa.webdatacommons.org/194013587

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	Many substances catalyze silanol condensation, including acids and bases; soluble organic salts of lead, cobalt, tin, iron, and other metals and organotin compounds, e.g., dibutyl tin dilaurate, or N,N,N',N'-tetramethylguanidine salts.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr