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L-Threonine(Feed grade)is already approved to be used in the animals by the law of the European Communities. Apply to meet the requirements of the growth if the animals,L-Threonine should be added to the feed.and not only provide the essential nutrients but only reduce the nitrogen material in line with ecological requirements.Specifications:
CAS----------------------------------- 80-68-2
Appearance--------White or light-brown Crystal or powder
Assay(dry basis) ---------------------98.5%min
Specific rotation[a]D----------------20-26.00--29.00
Loss on drying-----------------------1.0%max
Residue on ignition------------------0.3%max
Ammonium;(NH4+)-----------------0.04%max
Heavy metals(as Pb)----------------20mg/kgmax
Arsenic(As) ---------------------------2mg/kgmax
PH---------------------------------------5.0-6.5
