5,6-Diphenyl-3-(2-pyridyl)-1,2,4-triazine-4,4''-disulphonic acid disodium salt hydrate 97+%
Marques : Thermo Fisher ScientificTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
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Attention
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Synonyme(s):
3-(2-Pyridyl)-5,6-bis(4-sulphophenyl)-1,2,4-triazine disodium salt hydrate, 5,6-Diphenyl-3-(2-pyridyl)-1,2,4-triazine-4,4'-disulphonic acid disodium salt hydrate, PDT disulphonate hydrate, FerroZine(TM) Iron reagent disodium salt hydrate
Formule:
C₂₀H₁₂N₄Na₂O₆S₂·H₂O Point de fusion: >300 °C Température de stockage: Température ambiante |
Numéro MDL:
MFCD00717621 Numéro CAS: 1264198-47-1 EINECS: 248-797-6 |
Résultats des tests de spécification
Appearance | Yellow to yellow-green Powder |
Infrared spectrum | Conforms |
Water | ≤10.0 % (K.F.) |
Sulfated ash | 20.0 % to 27.8 % |
Solubility | (5 % acetate-buffer pH 5.5) Clear yellow |
UV Lambda max | 280 to 288 nm (in water) |
Specific extinction E (1%/1cm) | 385 to 465 (at lambda max) |
Titration with HClO4 | ≥97.0 % (On dried substance) |
Suitability | (for Cu + Fe determination) Passes test |
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