Product: Citric acid,anhydrous BP98 Specification of Anhydrous: Appearance:Colourless Crystals or Crystal Powders Identification:Pass Content:99.5-101.0 Moisture:≤1.0% Barium:Pass Calcium:≤200ppm Iron:≤50ppm Arsenic:≤1ppm Heavy Metals(as Pb):≤10ppm Oxalate:≤100ppm Chloride:≤50ppm Sulphate:≤150ppm Carbonisables:Not darker than the standard Sulphated Ash:≤0.1% Volatile Organic Impurities:/ Lead:≤1ppm Aluminium:ppm≤0.2ppm Bacteria Endotoxin: 0.5IU/mg