Powdery activated carbon is widely applied to the color removing, refining, stink removal and blending removal in kinds of industry fields, such as sugar, glusate and salt, lactic acid and salt, lemon acid and salt, grape wines, seasoning, animal and plant protein, biological and chemical manufactures, medicine intermediate, vitamin, anti-vitamin and so on. It is mainly used in color removing, refining and heat source removal in kinds of injection medicine agent. Also it can be applied to the color removing in vitamin C and other raw medicines. Technical indexes：（GB/T 13803.2-1999） items indexes 1st level 2nd level Iodine attraction value, m/g≥ 1000 900 Methylene blue adsorption, mL/0.1g Mg/g≥ 9.0 135 7.0 105 Strength,% ≥ 94.0 85.0 Density,g/mL 0.45-0.55 0.32-0.47 Granular 2mm-0.63mm,% ≥ Lower than 0.63mm,% ≤ 90 5 85 5 Water,% ≤ 10.0 10.0 Ph value ≥ 5.5-6.5 5.5-6.5 Ashes,%≤ 5.0 5.0