Heat Capacity of Sodium Aminoacetate Solutions before and after CO2 Absorption
The heat capacities of aqueous solutions of sodium aminoacetate (CAS no. 6000-44-8) and CO2-loaded aqueous sodium aminoacetate solutions were measured for a range of sodium aminoacetate mass fractions w ) (0.01, 0.05, 0.10, 0.15, 0.20, and 0.30) and at a temperature range of T ) (298.15 to 323.15)...
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| Main Authors: | , , , |
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| Format: | Citation Index Journal |
| Published: |
American Chemical Society
2010
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| Subjects: | |
| Online Access: | http://eprints.utp.edu.my/931/1/JCED_%2855%29_%281%29_2010.pdf http://eprints.utp.edu.my/931/ |
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| Summary: | The heat capacities of aqueous solutions of sodium aminoacetate (CAS no. 6000-44-8) and CO2-loaded
aqueous sodium aminoacetate solutions were measured for a range of sodium aminoacetate mass fractions
w ) (0.01, 0.05, 0.10, 0.15, 0.20, and 0.30) and at a temperature range of T ) (298.15 to 323.15) K. It was
found that the heat capacity of the aqueous solution of sodium aminoacetate decreases as the concentration
increases and increases with an increase in temperature. The heat capacity of CO2-loaded aqueous sodium
aminoacetate solution was found to increase with temperature and decrease with an increase in CO2 loading.
The heat capacities of the CO2-loaded aqueous sodium aminoacetate solution were lower than those of the
unloaded solutions. |
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