SKU
RXSOL-60-6604-549
Title
ERIOCHROME BLACK T AR
Title
ERIOCHROME BLACK T AR
Eriochrome® Black T is used as an indicator for complexometric titrations. It functions as an acid-base indicator. Eriochrome® Black T forms complex with Ca2+ and Mg2+, but it binds more strongly to Mg2+ ions.
Field Note
Note
Dissolve 1.0 g of Eriochrome Black T in 80 mL 95% ethanol. Make up to 100 mL with 95% ethanol. Schools will need to check if the chemicals to be used are approved for use in their jurisdiction.
Application
Eriochrome® Black T is used as an indicator for complexometric titrations. ... Eriochrome Black T is soluble in water and alcohol, but insoluble in common organic solvents. It is mainly used as an indicator in ethylenediaminetetraacetic acid (EDTA) method to determine hardness of water.
Dose
Eriochrome Black T is a complexometric indicator that is used in complexometric titrations, e.g. in the water hardness determination process. It is an azo dye.
