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Materials?。echnology cooperation and transfer projects

Appearance A white to off white powder Off-white powder
Specific rotation - 14.5°~ - 16.00° - 15.82°
Loss on drying ≤0.20% 0.13%
Transmittance ≥98.0% 98.4%
Chloride ≤0.02% Conform
Ammonium (NH4) ≤0.02% Conform
Iron(Fe) ≤10ppm Conform
Sulfate(SO4) ≤0.02% Conform
Other amino acids ≤0.50% Conform
Residue on ignition ≤0.10% Conform
Heavy metals(Pb) ≤10ppm Conform
Arsenic ≤1ppm Conform
PH 5.50-6.50 6.21
Assay 98.50%-101.00% 99.84%

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