NILE CHEMICALS
L - METHIONINE
SPECIFICATION |
|
C5H11NO2S M.W. 149.21 | |
Min. 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 ( as glycine ) | 0.1% |