Physical and Chemical characteristics Properties: white crystalline granule or powder, easy to dissolve in the water Molecular formula: C6H11O7Na Quality standard Index items Standard value Test Results Appearance White or yellowish crystal powder Meets the requirement purity 98.5% 99.22% PH value 6.0 8.0 6.70 Sulphate 0.05% 0.03% chloride 0.07% 0.04% lead,ug/g 2% 1.38% loss on drying 0.5% 0.21% Reducing substances 0.7% 0.38%. Packing, storage & transportation: 1, Packing: 25kg in PP woven bag lined with plastic film. 2 ,Storage: Kept in dry and ventilating place, prevent from rain and moisture when storage; if agglomerated, please crush and make it into solution, and its effect will be the same. 3 ,Transportation:non-toxic, harmless, non-inflammable and non-explosive chemicals, it can be transported in truck and train.