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Ireland
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Bis(2-hydroxyethyl)amino tris(hydroxymethyl)methane (BIS-TRIS) ≥98.5% (dry basis), Ultrapure
Bis(2-hydroxyethyl)amino tris(hydroxymethyl)methane (BIS-TRIS) ≥98.5% (dry basis), Ultrapure
Certificates
Bis(2-hydroxyethyl)amino tris(hydroxymethyl)methane (BIS-TRIS) ≥98.5% (dry basis), Ultrapure

Specification Test Results

  • Assay Absorbance (280 nm, 1 M, 1 cm):
    ≤0.4
  • Assay (dry basis):
    ≥98.5%
  • Identification (FTIR):
    Conforms
  • Loss on Drying:
    ≤0.5%
  • pKa (20 °C):
    6.50 ±0.15
  • Iron (Fe):
    ≤30 ppm
  • Lead (Pb):
    ≤10 ppm

Specification Test Results

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