sodium nitrate 1.99.3%min 2.industrial grade 3.high quality 4.sodium nitrite sodium nitrate1: Top quality and SGS ... , Service is professional Index ItemIndexHigh-classproductFirst-calssproductQualifiedproductSodium Nitrate content(as dry basis),%,, 99.599.398.5Moisture ... )content(as dry basis),%,0.150.24--Sodium Nitrite content(as dry basis),%,0.010.020 ... Iron content,%,--0.0050.005 sodium nitrate