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L-Phenylalanine CAS:63-91-2<< 返回
ItemLimit
AppearanceWhite crystalline or crystalline powder
Specific Rotation [a]D20o -33o to-35 o
PH 5.4 to 6.0
Chloride (Cl) 0.020% Max
Ammonium (NH4) 0.020% Max
Heavy Metals (Pb) 10ppm Max
Arsenic (As2O3) 0.5ppm Max
Other Amino Acids Conformed
Loss on Drying 0.3% Max
Residue in Ignition 0.1% Max
Assay(on drying) 98.5%Min
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