About: http://webisa.webdatacommons.org/425248310

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	Although coke is primarily composed of carbon, it may contain from 3 to 12 wt-% hydrogen as well as sulfur and other materials.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com