Refined salt food grade Molecular formula: NaCL Appearance: white crystal (0.15-0.85mm) Content of NaCL:99.1%min Moisture: 0.30%max, Insoluble matters in water:0.05%max Pb: 1ppm max, As:0.5ppm max, F:5ppm max, Ba:15ppm max Packing:50kgs plastic woven bags