【Use One】

Formulated into 0.5% aqueous solution as a complexometric titration indicator

【Use Two】

Spectrophotometric determination of fluorine, used as a complex indicator; determination of aluminum, barium, manganese, nickel, calcium, cadmium, cobalt, copper, indium, lead, strontium, zinc and rare earths. It is formulated into 0.5% aqueous solution as a complexometric titration indicator.