Tris Base, Ultrol Grade - CAS 77-86-1 - Calbiochem Useful in the pH range of 7.0-9.0. Has a pKa of 8.1 at 25 C. Absorbance (1.0 M, H2O, 260 nm):0.05. 77-86-1
Tris base | Sigma-Aldrich
Tris Base, Molecular Biology Grade - CAS 77-86-1 - Calbiochem | 648310
Trizma base BioUltra, for molecular biology, = 99.8 T 77-86-1
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