Merck 1045940050 Calcon (C.I.15705) 金属指示剂 (C₂₀H₁₃N₂NaO₅S, Glass bottle 50g)
制造商: Merck Model: 1045940050 - 报价要求
- 报价要求
Price (exclude VAT) 1,337,450 VND Price (include VAT) 1,471,195 VND
CAS number: 2538-85-4
EC number: 219-810-2
Hill Formula: C₂₀H₁₃N₂NaO₅S
Molar Mass: 416.39 g/mol
Identity (UV/VIS-Spectrum): passes test
Absorption maximum λmax. (buffer pH 12.2): 634 - 640 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.015 g/l; buffer pH 12.2; calculated on dried substance): 250 - 400
Loss on drying (110 °C): ≤ 10 %
Suitability as indicator (for metal titration): passes test
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