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L-Histidine CAS:71-00-1<< 返回
AppearanceWhite Crystalline Powder
Specific Rotation [20/D]+12.0º to +12.8º
State of Solution(Transmittance)98.0% Min
Chloride (Cl) 0.020% Max
Ammonium (NH4)0.02% Max
Sulfate (SO4)0.020% Max
Iron (Fe)10 PPM Max
Heavy Metals (Pb) 10 PPM Max
Arsenic (As2O3)1 PPM Max
Other Amino Acids0.5% Max
Loss on Drying 0.20% Max
Residue on Ignition (Sulfated)0.10% Max
pH 7.0 to 8.5
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