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"A dream. It's perfect": Helium discovery in northern Minnesota may be biggest ever in North America (www.cbsnews.com)

submitted 8 months ago by L4s@lemmy.world to c/technology@lemmy.world

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"A dream. It's perfect": Helium discovery in northern Minnesota may be biggest ever in North America::For a century, the U.S. Government-owned the largest helium reserve in the country, but the biggest exporters now are in Russia, Qatar and Tanzania. With this new discovery, Minnesota could be joining that list.

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[–] skillissuer@discuss.tchncs.de 5 points 8 months ago (20 children)

wdym by "low purity" helium, helium that has been purified cryogenically is easily 99.999% if not better, and this is the main process used worldwide iirc

[–] Anyolduser@lemmynsfw.com 38 points 8 months ago (19 children)

The highest grade helium is grade 6, grade 4.7 gets used for cryogenic purposes. Balloon helium is grade 4.

Tommy's dad didn't steal grade 6 helium from a research lab for kid's birthday party.

Here's a link to a gas supplier's website with a chart: https://www.westairgases.com/blog/exploring-the-most-essential-and-underappreciated-uses-for-helium

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