Sodium nitrate, the melting point of 306.8 ℃, the density of 2.257 g / cm (20 ℃), colorless transparent or white microstrip yellow diamond-shaped crystals. Its bitter salty, soluble in water and liquid ammonia, slightly soluble in glycerol and ethanol, easy deliquescence, especially in containing a very small amount of sodium chloride impurities, the sodium nitrate deliquescence greatly increased. When dissolved in water, the solution temperature decreases and the solution is neutral. In the heating, sodium nitrate easily decomposed into sodium nitrite and oxygen. Sodium nitrate can be burned and stored in a cool, ventilated place. Oxidation, friction or impact with organic matter can cause combustion or explosion. Irritating, very toxic, but harmful to the human body.
The enamel industry is used as a flux, an oxidizing agent and a raw material for the preparation of enamel powders. The glass industry is used as a decolorizer, defoamer, clarifying agent and oxidizing flux for various glass and products. The inorganic industry is used as a decolorizing agent for fused caustic soda and for the manufacture of other nitrates. The food industry is used as a coloring agent for meat processing to prevent meat from deteriorating and to taste. The fertilizer industry is used as a quick fertilizer for acid soils, especially for root crops such as beets and radishes. The dye industry is used as raw material for the production of picric acid and dyes. Metallurgical industry for steel, aluminum alloy heat treatment agent. Machine City industrial use as a metal cleaning agent and preparation of black metal blue agent. The pharmaceutical industry is used as a medium for penicillin. The cigarette industry is used as a combustion aid for tobacco. Analytical chemistry is used as a chemical reagent. In addition, it is also used to produce explosives.
Chemical pure sodium nitrate is used in the low chromic acid passivation of the galvanized layer and in the oxidized solution of the magnesium alloy.
Packaging and storage:
1, the general use of lined with plastic film, topical woven bag, net weight 25Kg per bag ± 0.5kg.
2, the product is not toxic non-flammable, storage to rain, moisture. If the caking, can be crushed or formulated into a solution, does not affect the use of results.
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