Technical oxygen gas is used for flame working of metals and other technical purposes.
|
№ |
The name of indicators |
|
|
|
first grade |
medical |
||
|
1 |
Volume fraction of oxygen,%, not less |
99,7 |
99,5 |
|
2 |
The volume fraction of water vapor,%, no more than |
0,007 |
0,009 |
|
3 |
The volume fraction of the hydrogen% max |
0,3 |
- |
|
4 |
Volume fraction of carbon dioxide,%, no more than |
not rated |
0,01 |
|
5 |
The carbon monoxide content |
not rated |
withstand paragraph 3.6 |
|
6 |
The content of gaseous acids or bases |
not rated |
withstand p.3.7 |
|
7 |
The ozone and other oxidizing gases |
not rated |
withstand p.3.8 |
|
8 |
The content of alkali |
withstand p.3.9 |
|
|
9 |
smell |
not rated |
absence |
Note: p.3.6-3.9 –The section "Methods of analysis" in the GOST 5583-78
