NILE 
CHEMICALS
TRIS - HYDROCHLORIDE
| 
         SPECIFICATION  | 
    |
| C4H11NO3.HCI M.W. 157.60 | |
| Assay ( CI ) minimum | 99% | 
| pH ( 0.5 M in water, 20OC ) | 3.5 - 5.0 | 
| Maximum Limits of Impurities : | |
| Loss on drying ( 110OC ) | 0.2% | 
| Residue on ignition ( SO4, 900OC ) | 0.2% | 
| Solubility ( 0.5 M in water, 20OC ) | complete and colourless | 
| Insoluble matter | passes filter test | 
| Absorption ( 0.5 M in water ) | |
| Wave length in nm: 260 | 280 | 
| Maximum absorption <0.015 | <0.010 | 
PRODUCT LIST                                     
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