Characteristics of gas mixtures of helium-argon
|
helium |
The pressure of the gas mixture in the cylinder at 20 ° C, MPa |
|
|
The volume fraction of helium in the gas mixture, % |
Limit the absolute allowable variation, % |
|
|
1-5 |
±0,25 |
14,7 |
|
5-10 |
±0,5 |
|
|
10-20 |
±2,5 |
|
|
20-30 |
±2,5 |
|
|
30-40 |
±2,5 |
|
|
40-50 |
±2,5 |
|
|
50-60 |
±5,0 |
|
|
60-70 |
±5,0 |
|
|
70-80 |
±5,0 |
|
|
80-90 |
±5,0 |
|
|
90-100 |
±5,0 |
|
