Ammonia, Anhydrous, Liquefied(NH3)
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Product category: Chemical products
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Small description
Liquid ammonia is used in various branches of industry and agriculture, it is produced for national economy and export.
It is produced in the form of three grades: "A", "Ak" and "B".
Grade "A" is used for the production of nitric acid, for nitriding, as a refrigerant, to create protective atmospheres;
Brand "Ak" is exported;
Grade "B" is used for processing into fertilizers and for use in agriculture as a nitrogen fertilizer.
Technical requirements
|
Name of the indicators |
Grades |
||
|
A |
Ak |
B |
|
|
Mass fraction of ammonia, %, not less than |
99,9 |
99,6 |
99,6 |
|
Mass fraction of nitrogen, %, not less than |
- |
82 |
82 |
|
Mass fraction of water (residue after evaporation), % |
- |
0,2-0,4 |
0,2-0,4 |
|
Mass fraction of water (Fischer method), %, not more |
0,1 |
- |
- |
|
Mass concentration of oil, mg/dm3, no more |
2 |
2 |
8 |
|
Mass concentration of iron, mg/dm3, no more |
1 |
1 |
2 |
|
Mass fraction of total chlorine, mln1(mg/kg), no more |
- |
0,5 |
- |
|
Mass fraction of carbon monoxide (IV), mln1(mg/kg), no more |
- |
30±10 |
- |
Safety requirements: liquid ammonia is a difficult to combustible substance. At normal temperature and atmospheric pressure, it is in a gaseous state. The mixture of ammonia with air is explosive. In case of fire, for extinguishing use stationary automatic fire extinguishing installations with water, foam or non-combustible gases. Ammonia belongs to toxic substances, to the 4th hazard class. Gaseous ammonia causes acute irritation of the mucous membranes, lacrimation, suffocation, getting on the skin of a person, causing severe burns.
Packing: liquid ammonia is poured into steel cylinders, as well as into railway and automobile tanks. Cylinders are filled with the product no more than 80%. Tank hatches must be hermetically closed and sealed. Tanks are filled with the product no more than 80 - 85%.
Transportation: in special ammonia railway and road tanks, in steel cylinders, in tankers and by pipeline.
Storage: liquid ammonia is stored in ground tanks in warehouses, cylinders are stored in special warehouses or in open areas under a canopy that protects the cylinders from atmospheric precipitation and direct sunlight.
Guaranteed shelf life: 1 year from the date of manufacture.
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