sodium carbonate food grade sodaashlight: Totalalkalicontent(asNa2CO3):99.2%min Chloridecontent(asNaCl):0.70%max Fecontent(asFe):0.003% maxSulphatecontent:0.03%max WaterInsolubleMatter:<0.03% sodaashdense TotalAlkali(Na2CO3):99.2%minInsolublesubstance(inwater):0.04%max HeatingLoss:0.8%max