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Powder: -20°C for 3 years | In solvent: -80°C for 1 year
Hydroxy naphthol blue disodium, an azo dye functioning as a metal indicator for calcium and a colorimetric reagent for alkaline earth metal ions (λmax = 650 nm), exhibits a reddish-pink color in solutions containing calcium ions within a pH range of 12 to 13 and transitions to deep blue upon the introduction of disodium EDTA [1].
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Description | Hydroxy naphthol blue disodium, an azo dye functioning as a metal indicator for calcium and a colorimetric reagent for alkaline earth metal ions (λmax = 650 nm), exhibits a reddish-pink color in solutions containing calcium ions within a pH range of 12 to 13 and transitions to deep blue upon the introduction of disodium EDTA [1]. |
Molecular Weight | 598.49 |
Formula | C20H12N2Na2O11S3 |
CAS No. | 165660-27-5 |
keep away from direct sunlight
Powder: -20°C for 3 years | In solvent: -80°C for 1 year
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Hydroxy naphthol blue disodium 165660-27-5 inhibitor inhibit