Citric acid

CAS NUMBER: 5949-29-1
APPEARANCE: COLORLESS OR WHITE CRYSTALS OR POWDER
MOLECULAR FORMULA: C6H8O7.H2O
MOLECULAR WEIGHT: 210.14

            ITEM               STANDARD

• CHARACTERS: COLOURLESS TRANSLUCENT CRYSTALS OR AS WHITE, FINE, CRYSTALLINE POWDER
• IDENTIFICATION: PASS TEST
• CLARITY AND COLOUR OF SOLUTION: PASS TEST
• CONTENT: 99.5-100.5%
• MOISTURE: 7.5-8.8%
• OXALATE/OXALIC ACID: ≤100mg/kg
• SULPHATE: ≤150ppm
• READILY CARBONISABLE SUBSTANCES: ABS ≤0.52, TRA ≥30%
• RESIDUE ON IGNITION (SULPHATED ASH): ≤0.05%
• HEAVY METALS: ≤10ppm
• ARSENIC: ≤1mg/kg
• LEAD: ≤0.5mg/kg
• MERCURY: ≤1mg/kg
• ALUMINIUM: ≤0.2ppm
• ISOCITRIC ACID: PASS TEST
• BARIUM: PASS TEST
• CALCIUM: ≤200ppm
• IRON: ≤50ppm
• CHLORIDE: ≤50ppm