Items Specifications
Appearance: White crystalline powder
Assay (C4H8N2O3), %(on dried matters) :98.5~100.5
Transmittance, %( 0.4g /20mL water) ≥ 98.0
Loss on drying,% (4h, 105 ? ) ≤ 0.2
Heavy metals (as Pb),ppm ≤ 10
Chloride(as Cl),% ≤ 0.020
Sulphate (as SO4),% ≤ 0.020
Residue on ignition,% ≤ 0.1
pH( 5g /100mL water) 5.5~6.0
Iron (as Fe), ppm ≤ 20
Arsenic (as As2O3), ppm ≤ 1
Other amino acid No detd.
