In its protonated form, Eriochrome Black T is blue. It turns red when it forms a complex with calcium, magnesium, or other metal ions. Its chemical formula can be written as HOC10H6N=NC10H4(OH)(NO2)SO3Na.
Eriochrome Black T has also been used to detect the presence of rare earth metals.
ELECTROCATALYTIC RESPONSE AND DETERMINATION OF NORADRENALINE IN THE PRESENCE OF L-ASCORBIC AND URIC ACIDS WITH POLY(ERIOCHROME BLACK T)-MODIFIED ELECTRODE
Sep 01, 2007; A poly(Eriochrome Black T) chemically modified glassy carbon electrode modified with Eriochrome Black T was prepared by cyclic...
Studies from Prince of Songkla University, Department of Pharmaceutical Chemistry yield new information about pharmaceuticals.
Mar 24, 2010; A new study, 'Effect of Eriochrome Black T on the gelatinization of xyloglucan investigated using rheological measurement and...