Recent content by onereddog

" As H2 does not mix with air ..." Why do you think that is true? Aha! Thanks Spinnor, I’m sure this has the makings of a good exam question! What I meant to say was when H2 is mixed with air, it quickly separates and rises up; hence the absence of H2 in earth’s atmosphere. I assumed...

hi all, Real life industry question... An accurately calibrated cylinder of compressed gas sample of Hydrogen (certified 2% H2 and air 98%) is used to calibrate a hydrogen sensor by turning on its top regulator sample tap. It can be used for numerous calibration runs until it is empty. As H2...