供应 DL-缬氨酸516-06-3
Item
Standard
Analysis data
Appearance
White
powder
Conforms
State
of solution
(Transmittance)
Not
less than 95.0%
Conforms
Chloride
(Cl)
Not
more than0.04%
0.005%
Melting
Point
298±3℃
299.5℃
Heavy
metal(Pb)
Not
more than 10ppm
9ppm
Arsenic(As2O3)
Not
more than 2ppm
<1ppm
Sulfate(SO4)
Not
more than 0.02%
0.005%
Cadmium(Cd)
Not
more than 1ppm
Conforms