Product Name: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

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