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Position: Home -> Products -> L Group Amino Acids L-Threonine CAS:72-19-5 << BACK Item Limit Description White 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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