White crystalline powder,99%min

Appearance White to off-white crystalline powder Identification HNMR/HPLC Melting point 228.0-235.0℃ Special optical rotation - 36.0°~~ -44° Enantiomeric excess 98% min Loss on drying 0.5% max Related substances Single impurity 0.5%max Total inpurities 2.0%max metals 10ppm max Particle size 90% though 150um Assay(HPLC) 98.0%min

Appearance Light Yellow Powder Odor Characteristic Assay(Diosmetin) 90%min Moisture 6% max Sulphated Ash 0.2% max metal 20 ppm max Pesticides Negative Total of bacteria 1000/g max Fungi 100/g max Salmonellz Negative Coli Negative Particle size 100% pass 80 mesh

Appearance White or pale-white crystalline powder Identification Positive reaction Loss on drying 0.5% max Residue on ignition 0.1% max metal 10ppm max Melting point 117~120℃ Clarity and degree of opalescence of liquids 1% ethanol and chloroform solution Particle size 80~120mesh Assay (HPLC) 99.0% min

Appearance White or yellowish crystalline powder, odorless Assay 98.5% Impurities Total: 0.5% max Single: 0.2% max Water 4-8% Residue on ignition 0.2% max metals 20ppm max Clarity Y2 max Remain solvent Ethanol: 5000ppm max Toluene: 890ppm max

Assay ≥98.0% Insoluble ≤0.2% Free water

Appearance White crystal Assay 98% min PH 4.2-4.6 Loss on drtate 16-17.5% (max) Phosphite 1.0%（max） Aminobutyric acid 0.5%（max） Ethanol 0.5%（max）

Appearance White powder Assay 95%min Water 0.5% max PH 7-9 Insolubilities in acetone ≤0.5%

"Appearance Off-white powder Assay 98% min Water insoluble 0.5% max Acid degree 0.3% max Acetone insolubles 0.3% max "

Appearance Yellow crystalline powder Identification 1. HPLC: the retention time of the major peak corresponds to that of the standard sample 2. IR: the infrared absorption time spectrum exhibits maximum only at the same as that of the standard sample 3. It gives reaction of chlorides Water content ≤1.0% UV purity ratio ≥4.5 Trichloroammine platinate ≤1.0% Transplatin ≤2.0% Platinum content 64.42%-65.22% Assay( HPLC) 98.0%-102.0% Packing and Storage Preserve in tight containers, protected from light.

Appearance White to off white powder Assay, HPLC 98.0%min Identification IR, HPLC Specific rotation (20/D) -7.0°~ -13° Impurities Total: 1.0% max Individual impurity: 0.5% max Loss on drying 0.5% max metals 0.002% max Bacterial Endotoxins 0.36% max Enantiomeric 2.0%max

Appearance White crystalline powder Identification Positive Color of solution Clear, GY4 max Assay 99-100.5% PH 8.0-9.5 Related substances One: 0.5% max Others: 0.25% max Sulphate 0.02% max metals 0.002% max Selenium 0.003% max Solubility Easily soluble in water,slightly soluble in ethyl alcohol Water 6.0-8.0%