About: http://webisa.webdatacommons.org/330155259

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 case the coupler has an acid group such as a carboxylic acid or sulfonic acid, it is introduced in a hydrophilic colloidal solution as an alkaline aqueous solution.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com