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28-
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Sodium nitrite (NaNO2), commonly known as the nitrite is nitrite ions and sodium ions and the generation of inorganic salts . Sodium nitrite, easily deliquescence, soluble in water and liquid ammonia , the aqueous solution is alkaline, its pH about 9, slightly soluble in ethanol, methanol , ether and other organic solvents. Sodium nitrite, the salt, but also be used to make fake salt. Sodium nitrite is exposed to air with the oxygen in the reaction of sodium nitrate. If heated to above 320 ℃ are decomposed to produce oxygen, nitrogen oxide and sodium oxide. Contact with organic combustible explosion. The goods and meat products myoglobin, hemoglobin generate bright, bright red nitroso or nitrosyl myoglobin and hemoglobin color protection, the bacon can still have a special flavor.