NILE 
CHEMICALS
L- LEUCINE
| 
         SPECIFICATION  | 
    |
| C6H13NO2 M.W. 131.18 | |
| Minimum assay ( HCIO4 titration ) | 99% | 
| Maximum Limits of Impurities : | |
| Heavy metals ( as Pb ) | 0.001% | 
| Ammonium ( NH4 ) | 0.01% | 
| Foreign amino acids | 0.3% | 
| Other ninhydrin - positive substances | 0.1% | 
| ( as glycine ) | |