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  2. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    This is a list of prices of chemical elements. Listed here are mainly average market prices for bulk trade of commodities. ... Helium: 0.0001785: 0.008 ...

  3. Liquid helium - Wikipedia

    en.wikipedia.org/wiki/Liquid_helium

    Liquid helium is a physical state of helium at very low temperatures at standard atmospheric pressures. Liquid helium may show superfluidity . At standard pressure, the chemical element helium exists in a liquid form only at the extremely low temperature of −269 °C (−452.20 °F; 4.15 K).

  4. Helium storage and conservation - Wikipedia

    en.wikipedia.org/wiki/Helium_storage_and...

    The average price of liquid helium in North America in 2013 was around $6 per liter and represents the lower end of the price range; Europe with around $10 per liter is in the middle, whereas Latin America and Asia expends the highest band range of $13–15 per liter. [5]

  5. The fate of America's largest supply of helium is up in the air

    www.aol.com/fate-america-largest-supply-helium...

    NASA and SpaceX need helium for liquid fuel rockets,” he said. “The MRI industry needs helium. The pharmaceutical industry is reliant on helium. ... “The prices of helium in many cases have ...

  6. Helium - Wikipedia

    en.wikipedia.org/wiki/Helium

    There are two liquid phases: Helium I is a conventional liquid, and Helium II, which occurs at a lower temperature, is a superfluid. Helium I Below its boiling point of 4.22 K (−268.93 °C; −452.07 °F) and above the lambda point of 2.1768 K (−270.9732 °C; −455.7518 °F), the isotope helium-4 exists in a normal colorless liquid state ...

  7. The world is running out of helium. Here's why doctors are ...

    www.aol.com/news/world-running-helium-heres-why...

    At any point, an MRI machine contains about 2,000 liters of liquid helium, though suppliers need to replenish any helium that boils off. Mahesh estimates that an MRI machine uses 10,000 liters of ...

  8. Lifting gas - Wikipedia

    en.wikipedia.org/wiki/Lifting_gas

    Therefore, the amount of mass that can be lifted by helium in air at sea level is: (1.292 - 0.178) kg/m 3 = 1.114 kg/m 3. and the buoyant force for one m 3 of helium in air at sea level is: 1 m 3 × 1.114 kg/m 3 × 9.8 N/kg= 10.9 N. Thus hydrogen's additional buoyancy compared to helium is: 11.8 / 10.9 ≈ 1.08, or approximately 8.0%

  9. China opens first large-scale helium plant as it tries to ...

    www.aol.com/news/china-opens-first-large-scale...

    China is a step closer to reducing its dependency on the imported helium it uses to make hi-tech products, according to scientists working at a new facility in the northwest of the country.They ...

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