Thorin Indicator AR
Reagent for thorium,beryllium and certain other metals.
1-(2-Arsonophenylazo)-2-naphthol-3,6-disulfonic acid disodium salt; 2-(2-Hydroxy-3,6-disulfo-1-naphthylazo)phenylarsonic acid disodium salt; 2-(3,6-Disulfo-2-hydroxy-1-naphthylazo)benzenearsonic acid disodium salt; APANS; Thoron(ol)
