الوصف

Character:        It is extracted from chitin, insoluble in water but soluble in dilute acid and absorbed by human body. As the firdt derivate, it's chemical constitution is macromolecule alkalescent polysaccharide polymer with cation. It has peculiar physical, chemical properties and bioactive function. Application:              It can mostly be applied in the following industries: texeile, dyeing and printing, leather, tobacco, plastics, food additive, fodder, pharmaceutics,color film, paper manufacturing, biological engineering, agriculture protecting and dispose waste water etc. Index: Items Industrial Grade FoodGrade Pharmaceutical Grade Appearance White to LightYellow Flake DeacetylatedDegree % ≥*0 　 ≥*5 　 ≥*0 Moisture % ≤*2.0 ≤*0.0 ≤8.0 Ash % ≤2.0 ≤1.0 ≤1.0 Viscosity mpa.s ******0 ≤**0 ≤**0 Arsenic ppm —— ≤0.5 ≤0.5 Heavy Metals ppm —— ≤*0 ≤*0 Bulk Density g/ml —— ≥0.3 ≥0.3 Total PlateCount cfu/g —— ≤***0 ≤***0 E.Coli —— Negative Negative Salmonella —— Negative Negative