Ammonium bicarbonate, NH4HCO3, 99.5%,competitive price, good quality, prompt shipment, professional service,10 years export Ammonium Bicarbnoate, 99.3%min, food grade ... .We are professional exporter of this item with wide connection ... 99.68CHLORIDE(as CI)0.003% MAX<0.003SULPHATE(compound of sulfur as SO4)0.007% MAX<0.007NON-VOLATILE ...