Vitamin B2

Specifications: Identification: Positive Particle Size(0.28MM Sieve): 90% pass through Loss on dring: 3.0% max Residue on ignition: 5% max Volatilizable Impurity of Organic: Conform Assay (on dry basis) (HPLC): 80% min Apperrance: Yellow to Orange-yellow free flowing powder.Quality Standards: ITEMSTANDARDCharacterYellow to Orange-yellow free flowing particleIdentification Positive Must complyParticle Size(0.28MM Sieve) Sieve 90% pass through 0.28mm normal sieveLoss on dring 3.0% maxResidue on ignition 5% maxVolatilizable Impurity of Organic Msut complyAssay(on dry material) 77.8-84%Inspection methodAccording to Feed additive-Riboflavin flowing particleGB/T 18632-2002.