Quote:
| Originally Posted by [b Quote[/b] (JohnDuncan @ Mar. 11 2004,13:34)]Heli-air is defined as "Helium mixed with Air" not "Helium mixed with O2 and Air" that is Trimix as far as I know(?) |
<font color='#32CD32'>But surely Helium mixed with Air will end with a gas containing Helium, Oxygen, Nitrogen and minor trace gasses.
Juz