Citric Acid Anhydrous

We are offering citric acid anhydrous. Appearance: colorless crystals or white crystalline powder assay: 99.5-101.0% moisture: 0.5%max sulphated ash: 0.05% max sulphate: 150ppm max oxalate: 100ppm max chloride: 50ppm max calcium: 200ppm max barium: pass test iron: 10ppm max heavy metals (as pb) : 5ppm max arsenic: 1ppm max mercury: 1ppm max aluminium: 0.2ppm max lead: 0.5ppm max bacteria endotoxin: 0.5 iu/mg max organic volatile impurities: pass test tridodecylamine: 0.1ppm max