What is the Difference Between Dry Ice and Liquid Nitrogen?
🆚 Go to Comparative Table 🆚Dry ice and liquid nitrogen are both cold substances, but they have key differences in their properties and applications. Here are the main differences between the two:
- Temperature: Liquid nitrogen is much colder than dry ice, with temperatures usually between -346°F and -320.44°F. Dry ice, on the other hand, has a temperature of -109°F.
- State: Dry ice is a solid form of carbon dioxide, while liquid nitrogen is a liquid state of nitrogen gas. This difference in state makes liquid nitrogen more challenging to work with and contain.
- Applications: Dry ice is commonly used for shipping frozen goods, food processing, and Halloween fog machines. Liquid nitrogen is often used in medical fields, food freezing, storage of biologics in specialized freezers, and thermal grain refinement in metallurgy.
- Storage and Handling: Dry ice can be stored in an insulated cooler with room for air circulation. Liquid nitrogen requires a specialized insulating container called a dewar. Dry ice can be handled using heavy gloves and tongs, while liquid nitrogen should be handled with care and in a well-ventilated area.
In summary, while both dry ice and liquid nitrogen are cold substances, their differences in temperature, state, applications, storage, and handling make them suitable for different purposes.
On this pageWhat is the Difference Between Dry Ice and Liquid Nitrogen? Comparative Table: Dry Ice vs Liquid Nitrogen
Comparative Table: Dry Ice vs Liquid Nitrogen
Here is a table comparing the differences between dry ice and liquid nitrogen:
Property | Dry Ice | Liquid Nitrogen |
---|---|---|
Temperature | -109.2°F (-78.5°C) | -320°F (-196°C) |
Form | Solid | Liquid |
Turns Into | Gas | Gas |
Storage | In foam coolers | In vented vacuum insulated flasks |
Price | $1-$3/pound | $0.50-$2/gallon, $0.13-$0.50/liter |
Where To Buy | Local supermarket | Specialty suppliers |
How is it made | Depressurizing CO2 | Compressing air |
Common uses | Food and medicinal cold storage | Cryopreservation of cells and microbes |
Dry ice is solid carbon dioxide and is commonly used for its chilling effects, such as making fog during Halloween or keeping food cold during transportation. Liquid nitrogen, on the other hand, is a much colder substance and is often used in medical fields, such as cryopreservation of cells and microbes.
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