L-Methionine Manufacturer
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Molecular Structure
Detailed Description
L-Methionine
Standard:AJI92
Item Specifications
Appearance Whitecrystalsorcrystallinepowder
Assay,% (on dried basis) 99.0%～100.5%
a state of solution ≥98%
Specifc Rotation +23.0—+24.5
pH value (2% w/v solution) 5.6~6.1
Heavy metals (as Pb),% ≤0.001%
Lron(Fe)% ≤0.001%
Arsenic,% ≤0.0001%
Sulfate (SO4-2) ,% ≤0.02%
Chloride(as Cl),% ≤0.02%
Loss on drying,% (100~105℃) ≤0.2%
Residue on ignition (as sulphate ash) ,% ≤0.1%
Ammonium, % ≤0.02%
Other Amino Acids Conforms
Particle size ---
- L-Methionine Manufacturer
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