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L-Threonine CAS:72-19-5<< BACK
ItemLimit
DescriptionWhite crystal or crystalline powder, slightly sweet taste
Identification As per AJI97
Specific Rotation [a]D20o -27.6ºto -29.0º
Chloride (Cl) 0.020% Max
State of Solution 98.0% Min
Ammonium (NH4) 0.020% Max
Sulfate (SO4) 0.020% Max
Iron (Fe) 10ppm Max
Heavy Metals (Pb) 10ppm Max
Arsenic (As2O3) 1ppm Max
Other Amino Acids Chromatographically Not Detectable
Loss on Drying 0.2%Max
Residue in Ignition 0.10% Max
Assay 99% to 101%99% to 101%
PH 5.2 to 6.2
Mesh size 100mesh

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