Purity ≥99.0% (NT)
Specific rotation [a]20/D +30° ～ +33°(c=10, 6 N HCl)
Heavy metals (as Pb) <10 ppm
Sulfated ash <0.1 %
Other amino acids <1 % (TLC)
Loss on drying 11.5 % ～ 12.5 %
(Cl)Chloride < 210 PPM
Sulfate < 280 PPM
Arsenic < 1 PPM
Iron(Fe) < 10 PPM
Transmittance >98 % (c=2, H2O, 430 nm) 1 cm cell
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