I know this question has been discussed before but I cannot find answers
anywhere in the archives.
Has anyone found a North American supplier of research grade H2 gas
cylinders in the "normal" working range (0 to -428). I am not talking about
those costly low pressure 1 L "certified" ref gas cylinders from Messer or
Oztech suitable for dual inlet ref gas.
We have recently tested a Peak Scientifc Hydrogen HG200 gas generator and it
produced 100 PSI 99.999 H2 isotopically close (+/- 30 permil)to the water
put in the device, but its quite costly (~5500 USD) to justify for the
Am just wondering if anyone has found a supplier in US or Canada yet.
(Address and cost would be nice). I imagine these days it would be pretty
hard to ship a cylinder of H2 from Europe.