Nero eriocromo T Reag. Ph. Eur., ACS indicatore per complessometria, Supelco®
Fornitore: Merck
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Attenzione
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Synonyms:
Sodio 3-idrossi-4-(2-idrossi-1-naftilazo)-7-nitro-1-naftalenesolfonato
M-Clarity™ quality level = MQ200
C.I. 14645
Formula:
C₂₀H₁₂N₃NaO₇S Temperatura di stoccaggio: Ambiente |
MDL Number:
MFCD00003935 CAS Number: 1787-61-7 EINECS: 217-250-3 UN: 3077 ADR: 9,III Merck Index: 13,03702 |
Risultati del test di specificazione
dentity (UV/VIS-Spectrum) | passes test |
Appearance | Black to dark brown-black fine powder, eventually with granular parts |
Clarity of solution | passes test |
Absorption maximum λmax. (buffer pH 10.0) | 612 - 616 nm |
Spec. Absorptivity A 1%/1cm (λmax; 0.02 g/l; buffer pH 10.0; calc. on dried substance) | 400 - 510 |
Loss on drying (110 °C) | ≤ 7 % |
Suitability as indicator (for complexometric titration, ACS) | passes test |
Suitability as indicator (Reag. Ph. Eur.) | passes test |
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