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Carbon dioxide gaseous and liquid (CO2)
CARBON DIOXIDE GASEOUS AND LIQUID (CO2)
GOST 8050-85 (CN of FEA code 281 121 0000)
Carbon dioxide is used for formation of shielding medium by the metal welding: for food purposes in manufacturing of soda (soft drink), dry ice for cooling, freezing and storing of foodstuffs under direct and indirect contacts with them; for mold drying; for firefighting and in all areas of industry.
|
Specifications |
Superior grade |
1 grade |
2 grade |
|
Volume fraction of carbon dioxide (СО2), %, no less than |
99,8 |
99,5 |
98,8 |
|
Mass concentration of mineral oil, mechanical impurities, mg/kg no more than |
0,1 |
0,1 |
must pass the test by item 4.5.1 |
|
Mass fraction of water, %, no more than |
must pass the test by item 4.11 |
0,1 | |
|
Mass concentration of water vapour 20°С and under the pressure 101,3 Kpa (760 mm hg) g/m3, no more than |
0,037 |
0,184 |
unnorm. |
Transportation: by all modes of transport in accordance with traffic activity regulations effective for particular kind of transport.
Storage: in special store premises or in open area under the fence roof. Low-temperature carbon dioxide is kept in isometric storage capacitors.