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dry ice [1 record]

Record 1 2002-04-08


Subject field(s)
  • Chemical Elements and Compounds
  • Freezing and Refrigerating

Carbon dioxide in the solid form [which is] usually made in blocks to be used as a coolant [and which] changes directly to a gas at -78.5°C as heat is absorbed.


In the expansion [of liquid carbon dioxide] there is a flash separation ... of some solid carbon dioxide "snow" which is very porous. The snow is removed from the expansion chamber and mechanically compressed into standard 50-lb blocks ...


  • Éléments et composés chimiques
  • Congélation, surgélation et réfrigération

Dioxyde de carbone à l'état solide, sous forme de neige, de pastilles ou de bloc.


Par compression de la neige carbonique [...] on obtient une masse compacte appelée glace sèche [...]


Campo(s) temático(s)
  • Elementos y compuestos químicos
  • Congelación y refrigeración
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