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“精氨酸-谷氨酸 4320-30-3”详细介绍
ItemStandardAppearanceWhitecrystallinepowderSpecificrotation[α]20/D(C=86NHCl)+28.0to~30.0DegreeTransmittanceNotlessthan98.0%Chloride(Cl)Notmorethan0.020%Ammonium(NH4)Notmorethan0.02%Sulfate(SO4)Notmorethan0.030%Iron(Fe)Notmorethan10ppmHeavymetal(Pb)Notmorethan10ppmArsenic(As2O3)Notmorethan1ppmOtherAminoAcidsChromatographicallyNotdetectableWaterNotmorethan5.0%Residueonignition(sulfated)Notmorethan0.20%Assay98.5%~101.0%PH6.0to7.5