... enamel, glass industry, dye industry, medicine, agriculture as fertilizer. Sodium Nitrite1) purity:99%, 2) packing: 25KG or 50kg/bag 3) good quality ... UnitIndex Best qualityFirst qualityQualified qualityContent of Sodium nitrate(calculated by dry base) % ≥ 99.098.598.0Content of Sodium nitrite(calculated by dry base ... by dry base) % ≤ 0.050.060.10Moisture % ≤1.42.02.5 Sodium Nitrite 99%