... .3% min and best quality and price Chemical name: SODIUM CARBONATE,SODA ASHApplications:Glass making, paper making, textile, soap, clean agent ... .3%Chloride(as NaCl, dry basis) ≤0.7%0.66%Iron(as Fe, dry basis) ≤0.0035%0.0011%Water insoluble ... %0.01%Packing25kg,50kg bag or as buyers requirement sodium carbonate