D-酪氨酸??556-02-5
Item
Standard
Analysis data
Specific
rotation[α]20/D
(C=5,1mol/L
HCL)
+10.5°
to +12.3°
+11.32°
Chloride
(Cl)
Not
more than 0.10%
0.05%
Sulfate
(SO4)
Not
more than 0.2%
0.18
%
Heavy
metal(Pb)
Not
more than 10ppm
<10ppm
Arsenic(As2O3)
Not
more than 2ppm
<2ppm
Loss
on drying
Not
more than 0.20%
0.12%
Assay
98.0%
to101.0%
99.3%
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