| Specifications |
| N-[Tris(hydroxymethyl)methyl]-3-aminopropanesulfonic
acid |
|
| Assay (alkalimetric) |
Min 99% |
| UV
absorption (250 nm, 20g/l, 1cm, water) |
Max 0.05 |
| Chloride (Cl) |
Max 0.005% |
| Sulphate (SO4) |
Max 0.005% |
| Heavy metals (as Pb) |
Max 0.0005% |
| Sodium (Na) |
Max 0.005% |
| Loss on drying (at 105 deg C) |
Max 0.2% |
| Biological buffer, pKa at 20 deg C |
8.40 | |
|