The product is then cooked at 1400 C in an argon atmosphere for two hours.

They were using an argon atmosphere for exactly the reason you just mentioned.

Silicon and germanium crystals for transistors are sometimes grown in argon atmospheres.

The barrel is maintained under an argon atmosphere to prevent oxidation of the magnesium chips.

It hissed slightly in the argon atmosphere, but it was designed not to cause an electrical discharge.

However, modern spark sources with controlled discharges under an argon atmosphere can be considered quantitative.

Well, Your Majesty, you have to work the niobium in an argon atmosphere, for starters.

However, chemists may perform the reactions in nitrogen or argon atmospheres.

An argon atmosphere fills the case to give an anoxic environment.

An argon atmosphere is also used for growing crystals of silicon and germanium.