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L-Methionine

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Description

CAS No.: 63-68-3
Appearance White or primrose yellow
crystalline powder
Specific rotation
+23.0~+24.5°
State of solution
(Transmittance) ≥98.0%
Chloride(Cl) ≤0.020%
Ammonium(NH4) ≤0.020%
Sulfate(SO4) ≤0.020%
Iron(Fe) ≤10ppm
Heavy metals(Pb) ≤10ppm
Arsenic(As2O3) ≤1ppm
Other Amino Acids Conforms
Loss on drying ≤0.20%
Residue on ignition
(Sulfated) ≤0.10%
Assay 99.0~100.5%
PH 5.6~6.1

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