Appearance White crystal or crystalline powder Identification Infrared absorption Specific rotation +5.7~+6.8° Loss on drying 8.0-12.0% Residue on ignition 0.4% max Sulfate 0.03% max Iron 0.003% max Heay metals 0.0015% max Chromatographic impurity, as USP30(TLC) Individual impurity: 0.5% max Total impurity: 2.0% max Organic volatile impurities Meets the requirement Assay 98.5-101.5%

Appearance White crystals or crystalline powder Assay 98.0~101.0% pH 4.5~5.5 Specific rotation [α]D25 +8.3°~ +9.5° State of solution (Transmittance T430) ≥95.0% Chloride (Cl) ≤0.04% Ammonium (NH4) ≤0.02% Sulfate (SO4) ≤0.03% Iron (Fe) ≤10ppm Heay metals (Pb) ≤10ppm Arsenic (As) ≤1ppm Other amino acids Chromatographically not detectable Loss on drying ≤0.50% Residue on ignition ≤0.10%

Appearance White or almost white powder Assay 98% Identification Positive Specific optical rotation +13°- +16°     Water insoluble 0.1%max PH 5.8-7.0 Heay mentals 10ppm MAX Loss on drying 1% MAX

Calcium Glubionate 12569-38-9 C18H34CaO20 98%min "white or almost white crystalline powder--98%MIN "

Appearance White or almost white powder Identification A)IR B)TLC Specific optical rotation -10°～-14° Melting point 155-160℃ Loss on drying ≤ 1.0% Hevy metals ≤20ppm Residue on ignition ≤0.1% Assay ≥98.0%

Diacetone-D-glucose 582-52-5 C12H20O6 98%min White powder,98%min

Appearance White powder Assay(on dried basis) 98.0~102.0% Loss on drying 3~9% Sulfate ≤0.2% Chloride ≤0.05% Reducing substances ≤1.0% Heay metal ≤0.001% Lead ≤10mg/kg Arsenic ≤3mg/kg Organic volatile Meet the requirement

Appearance White or almost white crystalline powder Clarity Clear Specific optical rotatio +23˚ ~+29˚ Water content 5.0% max PH(250mg/ml in water) 4.5-7.0 Total Ash 0.1%max PH 1.0--3.0 Calcium

Appearance Blue crystalline powder or grain Assay 98-102% Chloride 0.07% max Sulphate 0.05% max Arsenic 3ppm max Lead 0.0025% max Reducing substances 1.0% max

Appearance Light yellow with gray or gray-green powder or granules Identification meets the requirements Organic volatile impurities meets the requirements Reducing substances meets the requirements Oxalic acid meets the requirements Assay（on dry basis) 97.0%-102.0% Water 6.5-10.0% Chloride 0.07% max Sulfate 0.1% max Lead 0.001% max Mercury 3ppm max Arsenic 3ppm max Fe(3+) 2.0% max

Appearance White crystal or powder Identification meets the requirements Organic volatile impurities meets the requirements Reducing substances meets the requirements Assay（on dry basis) 97.0%-102.0% PH 5.5-7.5 Water 11.6% max Chloride 0.05% max Sulfate 0.05% max Lead 0.001% max Arsenic 3ppm max Cadmium 5ppm max

Assay（HPLC） ≥90.0% Appearance White to pale yellow crystalline powder Specific Optical Rotation[α]D20 ≥+80 Loss on Drying ≤0.5%