About: http://webisa.webdatacommons.org/139270004

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	Typical breakers used to reduce the viscosity of a fracturing fluid are enzymes, oxidizing agents, such as persulfates and organic peroxides, silver, iron, or copper catalysts, and acids, such as fumaric and nitric acid.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com