... 0.0001%max Heavy metal (asPb) content: 0.0005%max Sodium Bicarbonate: 1. CAS No.: 144-55-8 2. Appearance: White ... Packing: 50 kg pp bags Delivery time: within 15 days Sodium Bicarbonate, is used as food fermentation. pharmacy, feather, ore ... dressing, metallurgy, fire extinguishing agent, espacially in reducing stomach acid, decreasing acid in the blood and urined, ecreasing potassium levels in the ...