About: http://webisa.webdatacommons.org/442309878

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	Generally, the above-mentioned color developing agents are also allowed to contain alkalis such as sodium hydroxide, potassium hydroxide, sodium carbonate, potassium carbonate and so forth.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es