产品描述

Specific rotatory power[α] D20 +14.9o 16o Clarity >=98.0% Chloride[CL] =<0.02% Sulfate[SO4] =<0.02% Residue on ignition =<0.10% Iron salt[Fe] =<10 ppm Heavy metal[Pb] =<10 ppm Arsenic salt =<1 ppm Ammonium salt[NH4] =<0.02% Other amino acid =<0.20% Loss on drying =<0.20% Content 98.5 100.5%