17 Facts About Ammonium chloride


Ammonium chloride is an inorganic compound with the formula NH4Cl and a white crystalline salt that is highly soluble in water.

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Ammonium chloride is prepared commercially by combining ammonia with either hydrogen chloride or hydrochloric acid :.

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Ammonium chloride occurs naturally in volcanic regions, forming on volcanic rocks near fume-releasing vents .

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Ammonium chloride appears to sublime upon heating but actually decomposes into ammonia and hydrogen chloride gas:.

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Ammonium chloride reacts with a strong base, like sodium hydroxide, to release ammonia gas:.

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Similarly, ammonium chloride reacts with alkali-metal carbonates at elevated temperatures, giving ammonia and alkali-metal chloride:.

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Dominant application of ammonium chloride is as a nitrogen source in fertilizers such as chloroammonium phosphate.

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Ammonium chloride was used in pyrotechnics in the 18th century but was superseded by safer and less hygroscopic chemicals.

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Ammonium chloride is used as a flux in preparing metals to be tin coated, galvanized or soldered.

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Ammonium chloride is used as a systemic acidifying agent in treatment of severe metabolic alkalosis, in oral acid loading test to diagnose distal renal tubular acidosis, to maintain the urine at an acid pH in the treatment of some urinary-tract disorders.

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Ammonium chloride is used to spice up dark sweets called salty liquorice, in baking to give cookies a very crisp texture, and in the liquor Salmiakki Koskenkorva for flavouring.

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Ammonium chloride has been used historically to produce low temperatures in cooling baths.

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In paleontology, ammonium chloride vapor is deposited on fossils, where the substance forms a brilliant white, easily removed and fairly harmless and inert layer of tiny crystals.

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Around the turn of the 20th century, ammonium chloride was used in aqueous solution as the electrolyte in Leclanche cells that found a commercial use as the "local battery" in subscribers' telephone installations.

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Ammonium chloride is used in the textile and leather industry, in dyeing, tanning, textile printing and cotton clustering.

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Ammonium chloride can be used in the process of making albumen silver prints.

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At that time, ammonium chloride came from two sources: the vents of underground coal fires in Central Asia, specifically, in the Tian Shan mountains as well as in the Alay mountains of southwestern Kyrgyzstan, and the fumaroles of the volcano Mount Taftan in southeastern Iran.

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