I wrote:
> During a bake-out at high temperature, no contamination from the the cell > walls or the gasket get into the gas. If the gasket were Cu, and some of it > got into the gas, you would know. During and after a bake-out you run > samples of gas through the mass spec. > As I wrote elsewhere, I think it *is* Cu. I think I remember that. Whatever metal it is, it does not make its way into the reactor in measurable quantities. If it did, you would see it with the mass spec. I think you gotta have a mass spec to to this experiment. And you have to test the reactor to be sure it is leak tight and clean, clean, clean.
