... )99.4% minPOTASSIUM OXIDE (as K2O )46.0% minNITROGEN13.0% minMOISTURE0.1% maxWATER INSOLUBLES0.02% maxSUIPHATE (as SO4 ... )0.01% maxCHLORIDE (as Cl)0.03% maxIRON(as Fe)0.002% maxNITRITES0.01% maxHEAVY ... , Explosives, Pyrotechnics, Matches, Fertilizers, Metal Heat Treatment and Heat Transfer, Ceramics, Oxidizer, Petrochemicals, Toothpaste, Denitrifies, eat Curing, Cheese ...