Veterinary Chemical · Generic
EBT Indicator 2 gm
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In veterinary and animal science laboratories, a 2-gram (2 gm) package of EBT (Eriochrome Black T) is a dry analytical reagent used to measure blood serum and water hardness. It functions as a complexometric indicator in chemical titrations to quantify the exact concentration of metal ions, such as calcium (Ca²⁺) and magnesium (Mg²⁺).
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Specs & features.
EBT (also known as Solochrome Black T) is an anionic azo dye. In its dry, powdered form, it generally appears as a dark red, brown, or grayish-purple powder with a metallic sheen. In veterinary settings, the 2 gm format is commonly used to prepare fresh indicator solutions (often mixed with an alcohol or buffer) to prevent degradation over time.
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- Sharp Color Transition: EBT has a vivid blue color in its free, deprotonated state (at a pH of around 10). When it binds to metal ions, the complex turns wine-red.
- Sensitivity: Highly sensitive to alkaline earth metals, though it is not completely specific to calcium/magnesium alone, making precise buffering necessary.
- Reagent Grade Options: Typically available in ACS (American Chemical Society) or Laboratory grade to ensure zero impurities interfere with clinical diagnostics.
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