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Nitric Acid

Nitric Acid

Nitric Acid

Nitric acid (HNO3), also known as aqua fortis and spirit of nitre, is a highly corrosive and toxic strong acid. Colorless when pure, older samples tend to acquire a yellow cast due to the accumulation of oxides of nitrogen. If the solution contains more than 86% nitric acid, 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%. Nitric acid is also commonly used as a strong oxidizing agent.

Nitric Acid Typical Properties


Light yellow, transparent liquid

HNO3 (%)

55% min

HNO2 (%)

0.23 max

Specific gravity (g/cm3)


Ignition residue (%)


Nitric Acid Application:

Nitric acid can make the iron passivation and not continue to corrosion. This is a colorless or yellow transparent liquid oil, is a kind of very unstable material, the impact would happen by high temperature, at the same time, to produce the decomposition of gas generation. The volume of a gas inflation, produce sudden violent blast. So nitroglycerine is a kind of high explosives. Nitrification military explosives with more, 4, 6 2-trinitrotoluene (TNT). It is by the toluene and nitric acid and strong sulfuric acid reaction system, is a kind of yellow flakes, explosive, medicinal properties stable, hygroscopicity the advantages of small, used to do shells, hand grenades, mines and torpedo the explosives such as mining, etc, it can also be used for blasting homework.