供应 DL-亮氨酸328-39-2
Item
Standard
Analysis data
Appearance
White
powder
conforms
State
of Solution
(Transmittance)
Not
less than 95.0%
96.4%
Chloride
(Cl)
Not
more than 0.02%
0.018%
Heavy
metal(Pb)
Not
more than 15ppm
<15ppm
Arsenic(As2O3)
Not
more than 2ppm
<2ppm
Loss
on drying
Not
more than 0.20%
0.12%
Residue on ignition(sulfated)
Not
more than 0.20%
0.1%
Assay
98.0
to101.0%
99.0%