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L-半胱氨酸盐酸盐一水物(2005/03/23)
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Item
Limit Result
Specific rotation[a]D20° +5.7°~+6.8° +6.18°
Chloride(Cl) 19.89~20.29% 19.90%
Sulfate(SO4) ≤0.030% 0.0047%
Iron(Fe) ≤15PPm 1ppm
Heavy metals(Pb) ≤15PPm 2.2PPm
Arsenic(As2O3) ≤1.5PPm 0.1PPm
Other amino acids Chromatographically Qualified
not detectable
Loss on drying 8.0~12.0% 9.96%
Residue on ignition ≤0.40% 0.067%
(Sulfated)
Assay 98.5~101.5% 100.1%
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