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  2. Van der Waals constants (data page) - Wikipedia

    en.wikipedia.org/wiki/Van_der_Waals_constants...

    Argon: 1.355 0.03201 Benzene: 18.24 0.1193 ... Propane: 8.779 0.08445 1-Propanol [2] 16.26 ... 20.96 0.1470 Tetrafluoroethylene [2] 6.954

  3. Periodic table (electron configurations) - Wikipedia

    en.wikipedia.org/wiki/Periodic_table_(electron...

    Ne, 10, neon : 1s 2 2s 2 2p 6 Ar, 18, argon : 1s 2 2s 2 2p 6 3s 2 3p 6 Kr, 36, krypton : 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 6 Xe, 54, xenon : 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 6 5s 2 4d 10 5p 6 Rn, 86, radon : 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 6 5s 2 4d 10 5p 6 6s 2 4f 14 5d 10 6p 6 Og, 118, oganesson : 1s 2 2s 2 2p 6 3s 2 3p 6 4s ...

  4. Industrial gas - Wikipedia

    en.wikipedia.org/wiki/Industrial_gas

    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. The industry producing these gases is also known as industrial gas , which is seen as also encompassing the supply of equipment and technology to produce and use ...

  5. Argon - Wikipedia

    en.wikipedia.org/wiki/Argon

    Ar contamination. Most of the argon in Earth's atmosphere was produced by electron capture of long-lived 40 K (40 K + e − → 40 Ar + ν) present in natural potassium within Earth. The 39 Ar activity in the atmosphere is maintained by cosmogenic production through the knockout reaction 40 Ar (n,2n) 39 Ar and similar reactions. The half-life of 39

  6. List of UN numbers 1001 to 1100 - Wikipedia

    en.wikipedia.org/wiki/List_of_UN_numbers_1001_to...

    Argon, compressed UN 1007? (UN No. no longer in use) UN 1008: 2.3: Boron trifluoride: UN 1009: 2.2: Bromotrifluoromethane or Refrigerant gas, R 13B1. UN 1010: 2.1: Butadienes, stabilized or Butadienes and Hydrocarbon mixture, stabilized containing more than 40% butadienes UN 1011: 2.1: Butane see also Petroleum gases, liquefied: UN 1012: 2.1

  7. Shielding gas - Wikipedia

    en.wikipedia.org/wiki/Shielding_gas

    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. Common for short-circuit gas metal arc welding of low carbon steel. C-20 (80% argon/20% CO 2) is used for short-circuiting and spray transfer of carbon steel.

  8. Propane (data page) - Wikipedia

    en.wikipedia.org/wiki/Propane_(data_page)

    Propane does not have health effects other than the danger of frostbite or asphyxiation. The National Propane Gas Association has a generic MSDS available online here. (Issued 1996) MSDS from Suburban Propane, L.P dated 5/2013 in the SDSdata.org database

  9. Inert gas - Wikipedia

    en.wikipedia.org/wiki/Inert_gas

    The more carbon dioxide that is added to the inert gas, such as argon, will increase penetration. The amount of carbon dioxide is often determined by what kind of transfer is used in GMAW. The most common is spray arc transfer, and the most commonly used gas mixture for spray arc transfer is 90% argon and 10% carbon dioxide.

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