PRODUCT SPECIFICATION
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Date of last revision: 19.04.2021
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NITROGEN GASEOUS
TECHNICAL GRADE
General Information:
| Chemical formula: N2 Molecular weight: 28.01 Appearance: colourless non-flammable gas Use: Thermal processing of metals and alloys; shield gas for welding processes; inert medium for the transfer of flammable liquids under pressure; blowing and inertness. |
CAS No.: 7727 – 37 – 9 EC No.: 231 – 783 – 9 Neochim PLC code: 10 – 01 |
Specifications:
|
Indices |
Typical Values |
Limit Values |
| Nitrogen content, vol. % |
99.98 |
min. 99.5 |
| Water vapours in gaseous nitrogen at 2930К and 0.1 МРа, which corresponds to the temperature of saturation of nitrogen at 2300К and 0.1 МРа, g/m3 |
0.02 |
max. 0.07 |
| Oxygen, vol. % |
0.02 |
max. 0.5 |
| Oil |
Passes the test |
Passes the test |