MERCK – 103026 Bromothymol Blue Indicator

Specifications :

  • Identity (UV/VIS-Spectrum) : passes test
  • Clarity of solution (1 g/l; ethanol) : passes test
  • Transition range : pH 5.8 – pH 7.6 yellow – blue
  • Absorption maximum λ 1 max. (buffer pH 5.8) : 430 – 435 nm
  • Absorption maximum λ 2 max. (buffer pH 7.6) : 615 – 618 nm
  • Spec. Absorptivity A 1%/1cm (λ 1 max.; 0.005 g/l; buffer pH 5.8; calc. on dried substances) : 260 – 305
  • Spec. Absorptivity A 1%/1cm (λ 2 max.; 0.005 g/l; buffer pH 7.6; calc. on dried substances) : 455 – 530
  • Loss on drying (110 °C) : ≤ 3 %
  • Transition range (according to ACS) : passes test
  • Sensitivity test : passes test
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MERCK – 103026 Bromothymol Blue Indicator

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