... fertilizer grade and industrial grade Sodium BicarbonateSodium Bicarbonate Food Grade Content 99%Min. As 0.0001%Max. Heavy metal 0. ... Contect 99%MinChloride 0.4%MaxArsenic 0.0001%MaxHeavy Metal(Pb) 0.0005%MaxLoss on Drying 0.20%MaxPH ... ingredient, carbon doxide foamer, pharmacy, leather, ore milling and metallurgy, detergent for wool, extinguisher and metal heat-treating, fiber and rubber industry, etc