What different mediums can be used to pressurize a vessel?

I have read that using nitrogen is an acceptable gas to pressurize a diamond miner? Thoughts or suggestions greatly appreciated

Anything inert works. I like using plain solvent pressure to control the evaporation. I use a butaine, your milage may vary with other gasses.


Per @Future

You are going to get faster, and dirtier diamonds. He says co2 is okay, others dont. Nitrogen = acceptable.

A similar question was found in the Only the Strong Sauce tek. Read the replies to his questions.

These answered were found using the search in the top right for Pressure, Nitrogen and Diamond

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