DL-酪氨酸556-03-6
Item
Standard
Analysis data
State of solution
(Transmittance)
Not less than 95.0%
95.2%
Chloride (Cl)
Not more than0.10%
0.01%
Heavy metal(Pb)
Not more than 10ppm
<10ppm
Arsenic(As2O3)
Not more than 2ppm
<2ppm
Iron (Fe)
Not more than 10ppm
7ppm
Other amino acids
Chromatographically
not detectable
comforms
Loss on drying
Not more than 0.30%
0.3%
Residue on ignition(sulfated)
Not more than 0.30%
0.15%
Assay
98.0 to101.0%
99.2%
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