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D-AMINO ACID > DL-Methionine AJI92

    DL-Methionine AJI92

    CAS NO.: 59-51-8

    Test Items  Limit
     Identification Conforms
     Specific rotation  +23.0°~-+24.5°
     State of solution  Clear and colorless
    Chloride(CI)    ≤0.020%
    Ammonium(NH4)   ≤0.02%
     Sulfate(SO4)  ≤0.020%
     Heavy metals(Pb)  ≤10PPm
    Iron(Fe) ≤10PPm
     Arsenic(As2O3)  ≤1PPm
     Residue on ignition (sulfated)  ≤0.1%
     Loss on drying  ≤0.20%  
    Assay   99.0100.5%
     PH 5.66.1