2) 1) Specializing in the production of ammonium bicarbonate food grade. 2) Shipment timely 3) low price high quality SPECIFICATIONS standard RESULT PURITY 99.2-100.5%min 99.77%C1 0.003%max<0.003%SO4 0.007%max<0.007%AS 0.0002%max <0.0002%Heavy metal 0.0005%max< 0.0005%residue 0.008%max <0.008%Conclusion Pass the result