Encyclopedia

Nitric acid


Nitric acid is a colorless or yellowish toxic liquid. In concentrated form (fuming nitric acid), it emits yellowish nitrous vapors. It affects the skin and destroys organic materials; it is a powerful oxidizing agent. It is stored in glass or ceramic bottles for acids or in aluminum containers.

It is used in the production of nitrates (silver, mercury, lead, copper, etc.), organic dyes, explosives (nitroglycerin, colloxylin, trinitrotoluene, picric acid, mercury fulminate, and others); for etching metals (especially for casting iron); engraving on copper; refining gold and silver.

Source: "Explanations to the Harmonized System of the Russian Federation's Foreign Economic Activity (HS of Russia)" (prepared by the Customs Authority of the Russian Federation) (Volume 1, Sections I - VI, Groups 1 - 29)

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