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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	The mixture is heated to a suitable temperature, for example 60?? C., for a suitable period of time, for example 1 hour, and cooled to room temperature.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com