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Tris-(hydroxymethyl)aminomethan ≥99.9% buffer substance, for analysis and biochemical purposes
Dráždivý
Tris-(hydroxymethyl)aminomethan ≥99.9% buffer substance, for analysis and biochemical purposes
Dodavatel:  VWR Chemicals
Certifikáty
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Dráždivý
Tris-(hydroxymethyl)aminomethan ≥99.9% buffer substance, for analysis and biochemical purposes
Dodavatel:  VWR Chemicals
Certifikáty

Výsledky testů specifikací

  • Assay (calculated on dried substance):
    Min. 99.9 %
  • Colouration (20 %; water):
    Max. 20 APHA
  • Melting point:
    Min. 170 °C
  • pH (20°C; 5 %):
    10.0 - 11.5
  • Heavy metals (as Pb):
    Max. 1 ppm
  • Insolubility in water:
    Max. 50 ppm
  • Water:
    Max. 0.2 %
  • Absorbance (260 nm) (1 mol/l):
    Max 0.05
  • Absorbance (280 nm) (1 mol/l):
    Max. 0.03
  • Absorbance (430 nm) (1 mol/l):
    Max. 0.004

Výsledky testů specifikací

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