MERCK – 105225 Cresol Red

Specifications :

  • Appearance of solution(0,5 g/l; ethanol) : passes test
  • Identity (UV/VIS-Spectrum) : passes test
  • 1st transition range : pH 0.5 – pH 2.5 pink – brownish yellow
  • 2nd transition range : pH 6.5 – pH 8.5 yellow – purple
  • Absorption maximum λ 1 max. (buffer pH 0.5) : 517 – 520 nm
  • Absorption maximum λ 2 max. (buffer pH 2.5) : 432 – 436 nm
  • Absorption maximum λ 3 max. (buffer pH 6.5) : 432 – 436 nm
  • Absorption maximum λ 4 max. (buffer pH 8.5) : 571 – 574 nm
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MERCK – 105225 Cresol Red

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