Appearance White or off-white powder, no odor no taste Identification Meet the requirements Granulometry Remains 60 mesh ≤1% Remains 200 mesh ≤30% Conductivity ≤75us/cm pH value 5.0~7.5 Loss on drying 7.0% max Residue on ignition 0.1% max Water soluble substances 0.25% max Ether soluble substances 0.05% max Bulk density(g/ml) 0.28~0.38 Heay metal (Pb) 10ppm max Dp 200~300

Appearance White crystalline powder Solubility (10% NaOH) Clear Melting point (℃) 204~209 Loss on drying 0.35% max Residue on ignition 0.1% max Assay 98.0~102.0%

Appearance Colorless crystals or crystalline granular,slightly ammanlacal Assay 99%min Clarity and color of solution Clear, soluble in water Residue on ignition(as sulphate) 0.1% max Phosphate 0.002% max PH, 25℃ 4.8-5.3 Heay metals(as Pb) 0.001% max Chloride 0.002% max Sulphate 0.01% max Iron 0.001% max Microbial limits Plate count: 10000 /g max Total coliform: 10/g max E.Coli: Negative Coagulase positive staphylococcus: Negative Salmonella: Negative Yeast and Mold: 100/g max

Appearance Purity(HPLC) TLC Element analysis(C 、H、N) Loss on drying Clarity of solution Water Content(K.F.) IR Spectrum Mass Spectrum NMR Spectrum White to off white powder ≥98% ≥98% ≤5% ≤1.0%(70 o C, 2h) 0.3 gram in 2ml DMF clear solution ≤1.0% In accordance with the standard In accordance with the standard In accordance with the standard

Agar powder Strength:700-1300 (C12H18O9)n 9002-18-0 Strength:700-1300 Strength:700-1300

Appearance White granular power Acidity(as lacti acid)

Potassium sorbate 24634-61-5 C6H7KO2 98.0-102.0% White granule,98.0-102.0%

Sorbic Acid, Natural 110-44-1 C6H8O2 99-101% Colorless needles or as white to off-white free flowing powder,99-101% "Appearance Colorless needles or as white to off-white free flowing powder Identification Pass test Assay 99-101% Melting point 132~135℃ Spectrometry A propan-2-ol solution(1 in 4000000) shows absorbance max at 252-266nm. Test for double bonds Passes testing Solubility Slightly soluble in water, soluble in ethanol Water 0.5% max Residue on ignition 0.2% max Aldehydes 0.1% max(as Formaldehyde) Arsenic 3ppm max Lead 2ppm max Mercury 1ppm max Heay metals(as Pb) 10ppm max"

Disodium hydrogen citrate sesquihydrate(BP2005) 6132-05-4 C6H8Na2O8 99.0-101.0% White powder,99.0-101.0%

Saponin 8047-15-2 C27H42O3 98%min White or light yellow solid amorphous powder,98%min

Magnesium orotate 34717-03-8 C10H6MgN4O8 98.0~101.0% White crystalline powder,98.0~101.0%

Vitamin D3 67-97-0 C27H44O EP,97-102% White or almost white crystals