Chitosan

Properties: Off-white, innocuous, flavorless, amorphous and semitransparent solid, soluble in acid, insoluble in water and alkalis or ordinary organic solvents, decomposed at 185°C. Application: Widely used in the following industries: pharmaceuticals, food, health care, textile , dyeing and printing, leather, coating, tobacco, plastics, cosmetics, feed, color film, paper making, bioengineering, agriculture protecting and sewage treatment etc.Quality Index: ItemPharmaceutical Grade Food GradeIndustrial GradeAppearanceOff-white powderOff-white powderOff-white or light yellow semitransparent flake or powderDegree of Deacetylation, %≥85,90, 95≥85, 90, 95≥80, 85, 90pH7.0-8.07.0-8.07.0-8.0Loss on Drying,%≤10≤10≤12Residue on Ignition, %≤1.0≤1.0≤2.0Insoluble, %≤1.0≤1.0≤2.0Heavy Metals, ppm (as Pb)≤10≤10------Arsenic, ppm≤0.5≤0.5------Total Plate Count, cfu/g≤1000≤1000------Yeast, cfu/g≤100≤100------E.ColiNegativeNegative------SalmonellaNegativeNegative------Viscosity (1%,20°C), mpa.s30-1000Particle Size, mesh40, 60, 80,100Packing25kg/drum, 20kg/carton