Arsenazo III ≥95.0% för spektrofotometri
Leverantör: TCI EUROPE
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Synonyms:
2,2′-(1,8-Dihydroxy-3,6-disulphonaphthylene-2,7-bisazo)bisbenzenearsonic acid, 2,7-Bis(2-arsonophenylazo)chromotropic acid
A5009-1G
A5009-5G
TCIAA5009-1GEA
470
SEK
TCIAA5009-1G
TCIAA5009-5G
Arsenazo III ≥95.0% för spektrofotometri
Arsenazo III
Spectrophotometric reagent for U, Th, Zr and other metals, Indicator for the precipitation titration of SO4 with Ba
Formel:
C₂₂H₁₈As₂N₄O₁₄S₂ MW: 776,38 g/mol |
MDL Number:
MFCD00036695 CAS nummer: 1668-00-4 EINECS: 216-788-6 UN: 3465 ADR: 6.1,II |
Specifikation testresultat
Appearance | Dark green to Dark red to Black powder to crystaline |
Purity (Neutralization titration) | min. 95.0 % (after drying) |
Lambda max. | 535.0 to 545.0 nm |
Absorbance | min. 0.600 (16mg/L, 535.0 to 545.0 nm) (calcd.on dried substance) |
Drying loss | max. 5.0 % |
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