Tris EDTA (10X)

pH 7.4
100mM Tris-Cl (pH 7.4)
10mM EDTA (pH 8.0)

pH 7.6
100mM Tris-Cl (pH 7.6)
10mM EDTA (pH 8.0)

pH 8.0
100mM Tris-Cl (pH 8.0)
10mM EDTA (pH 8.0)

Sterilize solutions by autoclaving.
Store the solution at room temperature.