EDTA 0.01N (0.005M) Solution
A standardized aqueous solution of Ethylenediaminetetraacetic acid disodium salt (EDTA-Na₂), commonly used as a complexometric titrant in volumetric analysis, especially in water hardness determination and metal ion assays.
Properties
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Formula: C₁₀H₁₄N₂Na₂O₈·2H₂O
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Molar mass: ~372.24 g/mol (disodium salt dihydrate)
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Normality: 0.01 N
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Molarity: 0.005 M
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Appearance: Clear, colorless solution
Uses
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Complexometric titrations (e.g., Ca²⁺, Mg²⁺, Zn²⁺, Pb²⁺ analysis).
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Standard titrant in water hardness testing.
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Laboratory buffer component for chelating trace metals.
Safety (SDS – brief)
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Low toxicity, but avoid ingestion/inhalation.
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May cause mild eye or skin irritation.
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Handle with gloves and eye protection.
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Store in tightly closed container at room temperature.
| Weight | N/A |
|---|---|
| size | 2.5Lt, 5Lt |
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