About: http://webisa.webdatacommons.org/394369031

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	In certain embodiments, the reagent may be one or more reagents selected from steel, a material which comprises Fe3O4, a material which comprises Fe2O3; CaO, Ca(OH)2, NaOH, NH4OH, elemental iron, or other alkaline material.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com