Buy Eriochrome Black T ACS (1787-61-7) MF: C20H12N3NaO7S | MW: 461.38. Get High Quality Eriochrome Black T ACS (1787-61-7) from TriStains.
Eriochrome Black T is a synthetic dye and a complexometric indicator commonly used in analytical chemistry for complexometric titrations. It is also known by various other names, such as Solochrome Black T, Acid Black 1, and Black T.
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Applications: Eriochrome Black T is primarily used as an indicator in complexometric titrations to determine the concentration of metal ions. It forms a complex with metal ions, resulting in a color change. The dye exhibits a red-violet color in the presence of metal ions such as calcium (Ca2+), magnesium (Mg2+), and zinc (Zn2+). The color change helps in determining the endpoint of the titrationIt is important to note that Eriochrome Black T can interfere with certain metal ions, such as iron (Fe3+), by forming complexes even in the absence of the metal being analyzed. Therefore, it may not be suitable for titrations involving iron.
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