DL-苏氨酸80-68-2
Items
Standard
Analysis data
Appearance
White to off-white crystalline powder
conforms
Transmittance
Not less
than 98.0%
98.5%
Chloride(Cl)
Not more
than 0.02%
conforms
Heavy
Metals (Pb)
Not more
than 10PPM
conforms
Arsenic(As2O3)
Not more
than 2PPM
conforms
Other
amino acids
Chromatographically
Not
detectable
conforms
Loss on
Drying
Not more
than 0.20%
0.15%
Residue on
Ignition (Sulfated)
Not more
than 0.10%
0.08%
Assay
98.0 to
101.0%
99%
PH
5.0 to 6.5
6.0
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