Specification:NaHCO3: 99%min Chloride: 0.4%max Arsenic: 0.0001%max Heavy Metal: 0.0005%max Loss on Drying: 0.2%max PH Value: 8.6 max Application: Used as food fermentation, detergent ingredient, carbon doxide foamer, pharmacy, leather, ore milling and metallurgy, detergent for wool, extinguisher and metal heat-treating, fiber and rubber industry, etc. Packing: 25 kg or 50 kg plastic woven bags lined with one layer polythene bag