Specifications
dl-methionineCAS No.: 59-51-8
FEMA No.: 3301
CE No.: 569c
EC No.: 200
dl-methionine
Specification:
State of solution(transmittance): Clear 98.0% min.
Chloride(Cl): 0.020% max.
Ammonium(NH4): 0.02% max.
Sulfate(SO4): 0.020% max.
Iron(Fe): 10ppm max.
Heavy metals (Pb): 10ppm max.
Arsenic(As2O3): 1ppm max.
Other amino acids: Chromatographically not detectable
Loss on drying: 0.30% max.
Residue on ignition(sulfated): 0.05% max.
Assay: 99.0% min.