... :sodium bicarbonate2.Chracter: White powder or tiny crystalls, nodorous and salty, easily soluble in water,insoluble in alcohol, presenting slightly ... air. 3.Usage: Used as food fermentation,detergent ingredient,carbondoxide foamer,pharmacy,leather," ore milling and metallurgy,detergent for wool,exting uisher ... :– Traces Copper as Cu PPM max :- Traces Sell sodium bicarbonate food and industry grade