NILE
CHEMICALS
NILE
CHEMICALS
|
TRIS BUFFER GR |
|
| NH2C(CH2OH)3 M.W. 121.14 | |
| Minimum assay ( HCIO4 ) titration: | |
| on anhydrous substances | 99.5% |
| IR Spectrum | passes test |
| pH ( 5% water ) | 10.0 - 11.0 |
| Absorptivity A 250 - 440 nm | |
| ( 1cm; 10% water ) | passes test |
| Melting point | 169 - 171OC |
| Maximum Limits of Impurities : | |
| Chloride ( CI ) | 0.001% |
| Sulphated ash | 0.01% |
| Water | 0.5% |
| Biological buffer | |
| ( Standard titrimetric substance | |
| Specially prepared for biochemistry and | |
| enzymology pKa - 8.07 at 25OC ) | |