... sodium bicarbonate2.Chracter: White powder or tiny crystalls, nodorous and salty, easily soluble in water,insoluble in alcohol, presenting ... food fermentation,detergent ingredient,carbondoxide foamer,pharmacy,leather," ore milling and metallurgy,detergent for wool,exting uisher and metal heat-treating,fiber and rubber industry ... as Cu PPM max :- Traces Sell sodium bicarbonate food and industry grade