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Technical hydrogen
TECHNICAL HYDROGEN (H2)
TN VED 280 410 0000
GOST 3022-80
Apply in chemical, petrochemical, metallurgical, pharmaceutical, electronic and other industries.
|
Specifications |
Grade | |
|
«А» |
«B» | |
|
Volume fraction of hydrogen on conversion to dry gas, %, no less than |
99,99 |
99,95 |
|
Volume fraction of oxygen and nitrogen, %, no more than |
0,01 |
0,05 |
|
Mass concentration of water steams at 20оС and 101,3 кПа, g/m3, no more: - by pipelines - in tanks under pressure |
0,5 0,2 |
0,5 0,2 |
Safety requirements: Hydrogen - colourless combustible flavourless gas. Forms an explosive mix with air and oxygen. Hydrogen is physiologically inert; at high concentration causes an asthma. At work in the environment of hydrogen it is necessary to use an isolating gas mask.
Transportation: in steel tanks with capacity 40 and 50 dm3, and also on the pipeline. Tanks in special containers transported by motor transport.
Storages: the tanks filled with hydrogen, store in special warehouse or on the open areas under awning protecting cylinders from an atmospheric precipitation and direct sun rays.
Warranty period of storage of a product in tanks - 3 years.