slightly yellowish liquid, not flammable, a fire in the air much smoke, energetic oxidizer, in contact with many combustible substances causes them to spontaneous combustion. Toxic.
for ammonium nitrate, compound fertilizers, the oxidative etching of metals, for the needs of the economy.
|Narrative||The rate for grades|
|extra class||1 class||2 class|
|Mass fraction of nitric acid (HNO3),%, not less||57,0||56,0||46,0|
|The content of nitrogen oxides in terms of N2O4,%, not more||0,07||0,1||0,2|
|The content of calcined residue,%, not more||0,004||0,02||0,05|
Nitric acid technical 57% readily dissolves certain metals, whereas at a higher concentration the metals do not dissolve.
This property is used to clean pipelines from metal salts.
Nitric acid 57% is used in almost all industries.
For a human body, vapors of Nitric acid are dangerous - they damage the respiratory tract. Vapors are heavier than air more than 2 times, therefore in places of storage at a leak they will accumulate closer to a floor.
If it gets on the skin, it causes a chemical burn, while the skin becomes yellow.
Contact with organic can cause fire and even explosion.
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