sodium nitrate 1.99.3%min 2.industrial grade 3.high quality ... , Price is competitive, Service is professional Index ItemIndexHigh-classproductFirst-calssproductQualifiedproductSodium Nitrate content(as dry basis),%,, 99.599.398.5Moisture,%,1.51 ... .020.15Sodium carbonate content(as dry basis),%,0.050.10--Iron content,%,--0.0050.005 sodium nitrate