... the enamel, glass industry, dye industry, medicine, agriculture as fertilizer. Sodium Nitrite1) purity:99%, 2) packing: 25KG ... . Sodium nitrate in the fertilizer industry as a quick application of acidic soil fertilizer, especially for root crops. ... enamel, glass industry, dye industry, medicine, agriculture as fertilizer. Item UnitIndex Best qualityFirst qualityQualified qualityContent of Sodium ...