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

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