RARE GAS CYLINDRES:

1L bottles per 12 Bar = 12 litres

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NEON 100%

Code WFG100N

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NEON 50%
ARGON 50%

Code WFG50A50N

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NEON 75%
ARGON 25%

Code WFG75N25A

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NEON 85%
ARGON 10%
KRYPTON 5%

Code WFG85N10A5K

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ARGON 100%

Code WFG100A

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ARGON 80%
NEON 20%

Code WFG80A20N

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KRYPTON 75%
ARGON 25%

Code WFG75K25A

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HELIUM 100%

Code WFG100E

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KRYPTON 100%

Code WFG100K

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XENON 100%

Code WFG100X

The conductor of the electric power in a tube or discharge lamp is a gas. The first lamp of this kind, made at the beginning of last century, used carbon dioxide or nitrogen. As they were non inert gasses, the tube was empaty in a few weeks, due to the fact that in the excited atmosphere of the luminous tube these were combined with lamp materials, which for the lack of an electric power conductor faded away.
Neon appears when, in 1910, Gorge Claude

used it to enlighten a sign in Paris, which

ha already been done using carbon dioxide. ...