Determination of Cr(III) as Cr(III)/EDTA Complex by EDTA Excess Back-Titration with Zn(II) in Presence of 4-(2-Pyridylazo)-Resorcinol Indicator and Naphthol Green β as Inert Dye

Determination of Cr(III) as Cr(III)/EDTA Complex by EDTA Excess Back-Titration with Zn(II) in Presence of 4-(2-Pyridylazo)-Resorcinol Indicator and Naphthol Green β as Inert Dye.

Determinazione Volumetrica di Cr(III) con EDTA in Presenza di Verde Naftolo come Agente Schermante