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- Powders & Dyes
Eriochrome Black T ACS reagent, ���99.0%
- R169.00 Ex VAT
- Formula: C20H12N3O7SNa Molar mass: 461,381 g/mol Appearance: dark red/brown powder Acidity (pKa): 6.2, 11.55 UN number: 2923 Eriochrome Black T is a complexometric indicator commonly employed in tests for water hardness, particularly during EDTA titrations. It transitions from wine-red to blue as it binds and subsequently releases metal ions such as calcium and magnesium, facilitating the determination of their concentration…
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