Specifications :

• Identity (UV/VIS-Spectrum) : passes test
• Absorption maximum λmax. (buffer pH 10.0) : 569 – 576 nm
• Spec. Absorptivity A 1%/1cm (λmax; 0.025 g/l; buffer pH 10.0; calculated on dried substance) : 300 – 450
• Loss on drying (110 °C) : ≤ 10 %
• Suitability as indicator : passes test