... good quality in competitive price 4) ISO9001 sodium nitrate for dye Sodium Nitrate for industry use (NANO3)Property:Appearance ... widely used in the industry including:glass,dye,detonator,metallurgy,machinery and vitreous enamel.etc ... on dried basis),%≤ 0.03 0.06 ------ Sodium nitrite(based on dried basis),% ≤ 0.01 ... on dried basis),% ≤ 0.25 0.30 ----- Sodium carbonate(based on dried basis),%≤ 0.05 0.10 ...