DL-亮氨酸328-39-2
Item
Standard
Analysis data
Appearance
White
powder
conforms
State
of Solution (Transmittance)
Not
less than 95.0%
97.0%
Chloride
(Cl)
Not
more than0.02%
<0.008%
Heavy
metal(Pb)
Not
more than 15ppm
<15ppm
Arsenic(As2O3)
Not
more than 2ppm
<2ppm
Loss
on drying
Not
more than 0.20%
0.18%
Residue on ignition(sulfated)
Not
more than 0.20%
0.1%
Assay
98.0
to101.0%
98.5%
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