CAS no.: 77-92-9; Quality Standard: BP93, BP98, USP23, USP24, E330 and FCCIV, GB1987-2007 Technical Specifications of Citric Acid Anhydrous : Character: Colorless crystal or white powder; Solubility Identification: 20% aqueous solution is clear; Content: 99.5%min. Water Content:0.5% max. Calcium Salt: 100ppm max. Iron Salt: 5ppm max. Arsenic: 0.5ppm max. Heavy Metal: 5ppm max. Oxalate

CAS No: 5949-29-1 Quality Standard: BP93, BP98, USP23, USP24, E330 and FCCIV, GB1987-2007 Technical Specifications of Citric Acid Monohydrate : Character: Colorless crystal or white powder Solubility Identification: 20% aqueous solution is clear Content: 99.6%min. Water Content: more than 8.2%,less than 8.8% Calcium Salt: 100ppm max. Iron Salt: 5ppm max. Arsenic: 0.5ppm max. Heavy Met