Could that teacher provide information on the properties of ammonium chloride salts?
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:Handshake, I would like to know the crystallization temperature range and concentration range of ammonium chloride salts. Could you please provide some information?
Colorless cubic crystals or white crystals. It has a salty, cool taste with a slight bitterness. Relative density 1.527. Sublimate by heating to 350°C. Boiling point 520°C. Soluble in water, soluble in liquid ammonia, slightly soluble in alcohol, insoluble in propane and ether. Significant volatilization begins at 100°C, and it decomposes into ammonia and hydrogen chloride at 337.8°C. Upon cooling, it recombines to form ammonium chloride in the form of extremely fine particles, resulting in a white mist that does not settle easily and is also very difficult to dissolve back in water. It has low hygroscopicity, but can still absorb moisture and clump together in humid and rainy weather. The aqueous solution is weakly acidic, and its acidity increases when heated. It is corrosive to ferrous metals and other metals, especially highly corrosive to copper; it has no corrosive effect on pig iron.
Please refer to Hou Debang’s alkali production engineering.
No positive reply, haha!