Helium gaseous
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Technical characteristics
- ManufacturerGunesh
- Country of manufactureAzerbaijan
Description
Helium gaseous (squeezed) high purity, brand 7.0
Superpure helium with the content of impurity no more than 0,00001% is used in a chromatography; in laser technologies; in processes where impurity of air can make negative impact on the happening processes.
Requirements and norms to physical and chemical indicators| Name of an indicator | Norm on TU |
| Volume share of helium, % not less * | 99,999990 |
| Volume share of neon, % no more | 0,0000015 |
| Volume share of oxygen + argon, % no more | 0,0000010 |
| Volume share of nitrogen, % no more | 0,0000050 |
| Volume share of hydrogen, % no more | 0,0000010 |
| Volume share of CO2 + CO, % no more | 0,0000005 |
| Volume share of methane, % no more | 0,0000005 |
| Volume share of water vapor, % no more | 0,00010 |
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Helium gaseous