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%
   

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