The following uses for argon are gathered from a number of sources as well as from anecdotal comments. I'd be delighted to receive corrections as well as additional referenced uses (please use the feedback mechanism to add uses).
- used in electric light bulbs and in fluorescent tubes at a pressure of about 3 mm, photo tubes, glow tubes, etc.
- used as an inert gas shield for arc welding and cutting
- blanket for the production of titanium and other reactive elements
- protective atmosphere for growing silicon and germanium crystals ,lasers, light bulbs electric light bulbs and fluorescent tubes, photo tubes, glow tubes, welding, cutting, as a protective gas for other substances,