--- https://reptox.cnesst.gouv.qc.ca/pages/fiche-complete.aspx?no_produit=298885&nom=Ferricyanure+de+sodium Canada French ferricyanides sodium ferricyanide toxicological data sheet
--- http://www.inrs.fr/accueil/produits/bdd/doc/fichetox.html?refINRS=FT%20195 France French ferricyanides ferricyanides ferricyanides ferricyanides ferricyanides occupational exposure occupational diseases reference values hexacyanoferrate III guidelines toxicological data sheet