Cooling slurry
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Cooling slurries are combinations of solute and solvent which are frigorific and are often used as a cooling bath.
Water
| Initial Temperature (°C) | Solute | Amount (% solute) | Final Temperature (°C) |
|---|---|---|---|
| 10.7 | sodium acetate | 85 | -4.7 |
| 13.3 | ammonium chloride | 30 | -5.1 |
| 13.2 | sodium nitrate | 75 | -5.3 |
| 10.7 | sodium thiosulfate | 110 | -8 |
| 10.8 | potassium iodide | 140 | -11.7 |
| 20 | ammonium nitrate | 106 | -4 |
| 13.6 | 60 | -13.6 | |
| 13.2 | ammonium thiocyanide pentahydrate | 133 | -18.0 |
Ice
| Solute | Amount (% solute) | Final Temperature (°C) |
|---|---|---|
| sodium carbonate | 20 | -2 |
| potassium chloride | 30 | -10.9 |
| ammonium chloride | 25 | -15.4 |
| ammonium nitrate | 45 | -16.8 |
| sodium chloride | 33 | -21.3 |
| sodium bromide | 66 | -28 |
| magnesium chloride | 85 | -34 |
| sulfuric acid (66.2%) | 23 | -25 |
| 40 | -30 | |
| 91 | -37 | |
| calcium chloride hexahydrate | 41 | -9 |
| 81 | -21.5 | |
| 123 | -40.3 | |
| 143 | -55 |
Dry Ice
| Solute | Amount (% solvent) | Final Temperature (°C) |
|---|---|---|
Liquid Nitrogen
| Solute | Amount (% solvent) | Final Temperature (°C) |
|---|---|---|
See Also
References
- ↑ 1.0 1.1 -Gordon, Arnold J.; Ford, Richard A. (1972) "Solvents and Baths for Heating and Cooling".
The Chemists's Companion, A Handbook of Practical Data, Techniques, and References John Wiley & Sons
ISBN: 978-0471315902 - ↑ Phipps, A. M.; Hume, D. N. (1968) "General purpose low temperature dry-ice baths"
Journal of Chemical Education 45(10); pp664.
DOI:10.1021/ed045p664
link courtesy American Chemical Society. - ↑ Rondeau, Roger E. (1966) "Slush Baths"
Journal of Chemical Engineering Data 11(1); pp124.
DOI:10.1021/je60028a037
link courtesy American Chemical Society.