Liquid nitrogen (LN2) is typically supplied in bulk tanks, dewars, or vessels by gas companies. However, relying on ...

Bulk gas supply in the form of liquid nitrogen dewars and cylinders present laboratories with safety risks stemming from the frequent need to handle and manage gas supplies. Laboratory staff are at ...

Isopentane also can be chilled in liquid nitrogen (-176C). With the liquid nitrogen in a styrofoam container or Dewar flask, use a tongs to lower a stainless steel, Pyrex, or polypropylene container ...

where circulating 78 K liquid nitrogen cools the argon back to liquid at 87 K, falling back to the bottom of the dewar. The image below shows inside the STEEL dewar. Pixel imaging is motivated by wire ...