Product Name: Hamamelis Virginiana Extract Type: Plant Extracts Origin: China AUCO No.: 219 Packing: 25kg drum Items Standard Organoleptic Characteristics Appearance Clear to a slightly cloudy liquid Color Colorless Odours Characteristic smell pH Range 4.0~7.5 Physical Characteristics Content 5% Refractive index 1.3300~1.3600 Relative density 0.950~1.150 Heavy Metals Mercury 1mg/kg Lead 10mg/kg Arsenic 2mg/kg Cadmium 5mg/kg Microbiological Tests Natural� microflora 100CFU/ml Mold and Yeast 10CFU/ml Staphylococcus aureus Negative Pseudomonas aeruginosa Negative Thermotoletant coliform bacteria Negative