arginine

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Item	Specifications (USP)	Specifications (AJI)
Description	White crystals or crystalline powder	White crystals or crystalline powder
Identification	Infrared absorption spectrum	Infrared absorption spectrum
Specific rotation[a]D20°	+26.3 °- +27.7°	+26.9 °- +27.9°
State of solution/Transmittance	—	>= 98.0%
Chloride (Cl)	=< 0.05%	=< 0.020%
Ammonium (NH4)	—	=< 0.02%
Sulfate (SO4)	=< 0.03%	=< 0.020%
Iron (Fe)	=< 0.003%	=< 10PPm
Heavy metals (Pb)	=< 0.0015%	=< 10PPm
Arsenic (As2O3)	—	=< 1PPm
Other amino acids	—	Chromatographically not detectable
Loss on drying	=< 0.5%	=< 0.5%
Residue on ignition(sulfated)	=< 0.3%	=< 0.10%
化验	98.5-101.5%	99.0-101.0%
PH	—	10.5-12.0
Organic volatile impurities	Meets the requirements	—

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