For The Preparation Of Certain Explosives And For The Propulsion Of Missiles And Rockets, Fuming Nitric Acid Is Used In Highly Concentrated Nitric Acid
Concentrated Nitric Acid |
Nitric acid (HNO3), sometimes
referred to as spirit of niter or aqua fortis, is a corrosive mineral acid. It
has a potent oxidising agent and an offensive odour. Since it is naturally
produced when rainwater reacts with airborne nitrogen oxides, nitric acid is
mostly utilised to supply nitrogen to other molecules. Because to its severe
toxicity, it must be handled carefully while donning gloves, a mask, and safety
glasses. When nitric acid comes into touch with metals, it releases flammable
hydrogen gas. In order to create ammonium nitrate (NH4NO3), which is widely
used in fertilisers, about 70% of nitric acid is used, according to the U.S.
Environmental Protection Agency (EPA).
Due to its need in fertiliser
companies for the manufacture of ammonium nitrate and calcium ammonium nitrate,
Europe has the biggest consumption of Concentrated
Nitric Acid. The Annual
Production Of Nitric Acid Was Estimated At 55 Million Tonnes By Coherent Market
Insights. Additionally, only a minor amount of nitric acid is utilised to
make explosives; the majority of it is used to make calcium ammonium nitrate
and ammonium nitrate. However, many European economies, including Germany and
Ireland, forbade the use of ammonium nitrate and required that it be coupled
with calcium carbonate, which is preventing the creation of concentrated nitric
acid.
Types of Nitric Acid-
·
Strong nitric acid
·
Fuming nitric acid
Known to generate a yellow-red
colour that is related to the amount of protein present, Concentrated Nitric Acid reacts with
aromatic amino acids in proteins. Alchemists were well aware of nitric acid in
the Middle Ages. The "De Inventioni Veritatis," which was written in
the 12th century, did not, however, specify how it was prepared. By distilling
a combination of 1 g of vitriolum cyprium (CuSO45H2O), 1.5 g of potassium
nitrate KNO3, and 0.25 g of potassium alum (KAl(SO4)212H2O), nitric acid was
created. In the 13th century, Albert the Great once more described it, as did
Ramon Lull, who made "eau forte" by heating niter and clay (aqua
fortis).
Later, in the year 1776,
Lavoisier demonstrated that it contained oxygen. By using an electric discharge
in humid air, Cavendish was able to create it in 1785, demonstrating that it
included both nitrogen and oxygen. Gay-Lussac and Bethollet finally identified
the entire composition in 1816. The actual application didn't grow until
sulfuric acid was made available for sale.
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