PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In Reaction #1, glycolonitrile is formed in a process (either batch or continuous) by maintaining the pH of the formaldehyde above about 3, preferably in a range of about 5-7, most preferably about 5.5, with suitable acids and bases, such as acetic acid or sulfuric acid and sodium hydroxide or ammonia.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com