Nitric Acid

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Nitric Acid

Nitric Acid


Toxicity: Symptoms from swallowing nitric acid may include:•Abdominal pain - severe•Burns to skin or mouth•Fever•Mouth pain - severe•Rapid drop in blood pressure•Throat swelling, which leads to breathing difficulty•Throat pain - severe•Vomiting, bloodySymptoms from breathing in (inhaling) nitric acid may include:•Bluish colored lips and fingernails•Chest tightness•Choking•Coughing•Coughing up blood•Dizziness•Low blood pressure•Rapid pulse•Shortness of breath•Weakness

-Melting Point: -40 degrees Celcius -Boiling Point: 120.5 degrees Celcius -Freezing Point: -44 degrees Farenheit (-44.2222 degrees Celcius)-It is a colorless, highly corrosive, poisonous liquid that gives off choking red or yellow fumes in moist air.-Molecular Weight: 63.02-Density 1.41 g/l

1. It is used in the purification of silver, gold, platinum etc.2. Nitric acid is used in etching designs on copper, brass, bronze ware etc.3. It is used to prepare "aqua regia" to dissolve the noble elements.4. It is used as a laboratory reagent

Nitric acid is a strong oxidizing agent. It ionizes readily in solution, forming a good conductor of electricity. It reacts with metals, oxides, and hydroxides, forming nitrate salts. Chief uses of nitric acid are in the preparation of fertilizers, e.g., ammonium nitrate, and explosives, e.g., nitroglycerin and trinitrotoluene (TNT).

Originally Nitric acid was produced via several routes, but in 1906 the first large scale production of Nitric acid using the Ostwald process came on stream and since then almost all nitric acid is manufactured by this route. The Ostwald process takes place in 3 main steps, the initial step being the oxidation of ammonia to produce nitrogen monoxide, the second the oxidation of the nitrogen monoxide to produce nitrogen dioxide or tetraoxide and finally the absorption of the nitrogen oxides in water to produce nitric acid.

Most commercially available nitric acid has a concentration of 68%. When the solution contains more than 86% HNO3, it is referred to as fuming nitric acid. Depending on the amount of nitrogen dioxide present, fuming nitric acid is further characterized as white fuming nitric acid or red fuming nitric acid, at concentrations above 95%.

Worked CitedNitric Acid. (n.d.). Wikipedia. Retrieved November 21, 2013, from Nitric Acid. (n.d.). Infoplease. Retrieved November 21, 2013, from Nitric acid. (n.d.). ChemSpider. Retrieved November 21, 2013, from Nitric acid poisoning: MedlinePlus Medical Encyclopedia. (n.d.). U.S National Library of Medicine. Retrieved November 21, 2013, from Nitro Technologies. (n.d.). Johnson Matthey Noble Metals. Retrieved November 21, 2013, from Nitric Acid. (n.d.). Nitric Acid. Retrieved November 22, 2013, from


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