About: http://webisa.webdatacommons.org/167132702

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	When the present process is utilized to produce acids such as terephthalic acid, of which high purity is required, the nitrile which is the starting material should be substantially free of other nitriles.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com