Analysis Note

Dye content (spectrophotometrically): ≥ 75 %Identity (UV/VIS-Spectrum): passes testTransition range: pH 6.8 - pH 8.0 Violet red - orange yellowAbsorption maximum λ_max. (ethanol 50 %): 540 - 543 nmAbsorption maximum λ 1 (buffer pH 6.8): 514 - 519 nmAbsorption maximum λ 2 (buffer pH 8.0): 452 - 455 nmSpec. Absorptivity A 1%/1cm (λ_max; 0.005 g/l; ethanol 50 %): 1180 - 1610Spec. Absorptivity A 1%/1cm (λ1_max; 0.015 g/l; buffer pH 6.8; calc. on dried substances): 425 - 575Spec. Absorptivity A 1%/1cm (λ2_max; 0.015 g/l; buffer pH 8.0; calc. on dried substances): 395 - 535TLC-Test: passes testLoss on drying (110 °C): ≤ 18 %Suitability for microbiology: passes test

Packaging

25, 100 g in Glass bottle