| Specifications |
| TRIS HCl, TRIS hydrochloride, Tris
(hydroxymethyl) aminomethane hydrochloride |
|
| Melting point |
148 - 150 deg C |
| pKa (at 20 deg C) |
8.3 |
| DNases/RNases/Proteases |
Not detectable |
| Assay (T) |
Min 99% |
| pH
(0.5 M; H2O 25 deg C) |
3.5 - 5.0 |
| Water |
Max 0.5% |
| Arsenic (As) |
Max 0.0001% |
| Barium (Ba) |
Max 0.0001% |
| Cadmium (Cd) |
Max 0.0001% |
| Copper (Cu) |
Max 0.0001% |
| Iron (Fe) |
Max 0.0001% |
| Manganese (Mn) |
Max 0.0001% |
| Lead (Pb) |
Max 0.0001% |
| Zinc (Zn) |
Max 0.0002% |
| A
(1cm/1M in water): |
|
| At
260 nm |
Max 0.06 |
| At
280 nm |
Max 0.05 | |
|
