About: http://webisa.webdatacommons.org/438487470

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 this current invention, we report the use of iminodiacetic acid disodium salt and citric acid trisodium salt as dicarboxylates and tricarboxylates pendant anionic groups to chelate divalent ions such as calcium.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com