Hóa chất Hydroxynaphthol blue metal (pM) indicator Merck 1045930025 (C₂₀H₁₁N₂Na₃O₁₁S₃, Chai thủy tinh 25g) DEEP52 https://yeuhangduc.vn/
20,329,815₫
Mô tả
CAS number: 63451-35-4
EC number: 264-197-7
Hill Formula: C₂₀H₁₁N₂Na₃O₁₁S₃
Molar Mass: 620.47 g/mol
Identity (UV/VIS-Spectrum): passes test
Appearance of solution (3 g/l; water): passes test
Absorption maximum λmax. (buffer pH 12.0; EDTA): 645 - 650 nm
Spec. Absorptivity A 1%/1cm (λmax.; 0.005 g/l; buffer pH 12.0; EDTA; calc. on dried substances): 350 - 450
Loss on Drying (105 °C): ≤ 5 %
Suitability as indicator (for metal titration): passes test
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