Soda Ash Light ( Sodium Carbonate) 1) Specification: Item StandardAnalysis ResultTotal basic content (account as by Na2CO3 )%≥ 99.299.21chloride ( by NaCl ) %≤ 0.700.65Iron (Fe),% ≤ 0.00350.0011insoluble matter in water % ≤ 0.030.004 2) Packing: 50kg, 25kg, 50kg, 40kg, 1000kg