Eriochrome Black T

Estimation of Calcium Gluconate by Complexometric Titration

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Objective: To estimate the amount of calcium gluconate in a given sample using complexometric titration with EDTA as the titrant. Principle: In this titration, calcium ions (Ca2+) react with EDTA (ethylenediaminetetraacetic acid) to form a stable 1:1 complex. The endpoint is detected using an indicator, usually Murexide or Eriochrome Black T, which changes color when … Read more

Metal Ion Indicators

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Introduction Metal ion indicators are chemical compounds that exhibit a distinct color change when they interact with metal ions. These indicators are widely used in complexometric titrations, especially in EDTA titrations, to determine the concentration of metal ions in a solution. The color change occurs due to the formation or dissociation of a metal-indicator complex. … Read more

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