About: http://webisa.webdatacommons.org/354544622

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	Generally, the higher molecular weights are obtained by using the lowest temperatures and purest reactants, i. e. freest of impurities such as certain oxygen and sulfur compounds which poison the catalyst.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com