China Feed Grade Animal Feed Additives 98.5% L-Threonine, Find details about China L-Threonine, Amion Acid from Feed Grade Animal Feed Additives 98.5% L-Threonine
ITEMS | STANDARDs | ||
Appearance | White to light brown, crystal powder | ||
Assay(%) | 98.5 Min | ||
Specific rotation(°) | -26 ~ -29 | ||
Loss on drying(%) | 1.0 Max | ||
Residue on ignition(%) | 0.5 Max | ||
Heavy metals(ppm) | 20 Max | ||
As(ppm) | 2 Max |