Specifications:ItemsIndexsTotal alkali NH4HCO3 wt%99.2-101.0Chloride Cl wt% max0.003Sulphate SO4 wt% max0.007Ash wt% max0.008As wt% max0.0002Heavy metals Pb wt% max0.0005Usege:Be used as high-grade food fermentation agent. Share with baking soda be used as bread, biscuit, battercake etc leavening agent materials, also be used as foaming powder juice raw material. And be used for green vegetable , bamboo shoot etc scald bleaching, medicine and reagent.