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2. Matheson (compressed gas & equipment) - Wikipedia

   en.wikipedia.org/wiki/Matheson_(compressed_gas...

   Matheson Tri-Gas, Inc. produces industrial, medical, and specialty gases, and associated gas handling equipment, in North America.MATHESON offers semiconductor, medical, welding, atmospheric gases, rare gases delivered via pipelines, onsite generators, bulk tanks, and in gas cylinders to customers using gases in their labs, semiconductor fabs, hospitals, chemical plants, manufacturing and many ...

3. Shielding gas - Wikipedia

   en.wikipedia.org/wiki/Shielding_gas

   C-50 (50% argon/50% CO 2) is used for short arc welding of pipes, C-40 (60% argon/40% CO 2) is used for some flux-cored arc welding cases. Better weld penetration than C-25. C-25 (75% argon/25% CO 2) is commonly used by hobbyists and in small-scale production. Limited to short circuit and globular transfer welding.

4. Linde plc - Wikipedia

   en.wikipedia.org/wiki/Linde_plc

   Linde Engineering designs and builds large-scale chemical plants for the production of industrial gases including oxygen, nitrogen, argon, hydrogen and carbon monoxide, as well as large plants associated with the processing of natural gas, LNG, Liquefied petroleum gas and the manufacture of olefins.

5. Industrial gas - Wikipedia

   en.wikipedia.org/wiki/Industrial_gas

   A gas regulator attached to a nitrogen cylinder. Industrial gases are the gaseous materials that are manufactured for use in industry.The principal gases provided are nitrogen, oxygen, carbon dioxide, argon, hydrogen, helium and acetylene, although many other gases and mixtures are also available in gas cylinders.

6. Argon - Wikipedia

   en.wikipedia.org/wiki/Argon

   Argon is preferred to less expensive nitrogen in cases where nitrogen may react with the reagents or apparatus. Argon may be used as the carrier gas in gas chromatography and in electrospray ionization mass spectrometry ; it is the gas of choice for the plasma used in ICP spectroscopy .

7. Nitrogen gas for executions? Ohio Republicans pitch new ... - AOL

   www.aol.com/nitrogen-gas-executions-ohio...

   State Reps. Brian Stewart, R-Ashville, and Phil Plummer, R-Dayton, are introducing a bill that would allow Ohio to execute death row inmates using nitrogen gas, which leads to death via asphyxiation.