SDS Volume

Volume 62. Carbon Dioxide in Water and Aqueous Electrolyte Solutions, p None

Source Publication

Kimura, H.; Takeuchi, T.; Kagaku Kogaku 1963, 27, 2-6.

Conditions:

Room Temp: 273.7 - 353.2 $\pu{K}$
Pressure: 9.38 - 100 $\pu{kPa}$
Amount concentration (2): C2/mol dm-3 = 0.3138 - 3.04 g/L

Compiler:

T. Tominaga

Methodology:

The absorption vessel was 500 mL five-necked glass flask, to which a fixed amount (ca. 400 ml) of sodium phenoxide solution was placed. Carbon dioxide and air, both washed and dried, were mixed together and brought into contact with sodium phenoxide solution without stirring at atmospheric total pressure. Equilibrium was confirmed by the gas volume in the gas burette and chemical analysis of the solution.

Sample Information:
  1. Carbon dioxide. From a cylinder, purity not specified.
  2. Sodium phenoxide. Sodium hydroxide was dissolved in distilled water, impurities filtered out, diluted with distilled water, and equivalent amount of phenol was dissolved.
  3. Water. Distilled.
Measurement Errors:

Ambient temperature: Nothing specified.

System Components:
  1. Carbon dioxide, $\ce{ CO2 }$; [124-38-9] NIST WebBook
  2. Sodium phenoxide, $\ce{ C6H5ONa }$; [139-02-6] NIST WebBook
  3. Water, $\ce{ H2O }$; [7732-18-5] NIST WebBook
Experimental Data
$T$ ($\pu{K}$) $T$ (°C) $C_{2}$ (mol/dm3) $C_{1}$ (mol/dm3) $C_{\rm{H}}^{\prime}$ (mol (g)/dm3 atm-1) $P_{\rm{c}}$ ($\pu{kPa}$) a
273.70.50.805 1.221b1.295c 99
273.70.50.805 1.081b2.01c 55
273.70.50.805 1.011b2.26c 45.4
273.70.50.805 0.797b3.04c 26.5
273.70.50.805 0.797b6.22c 13.0
293.2200.805 1.186b1.210c 99
293.2200.805 1.081b2.024c 54.1
293.2200.805 1.00b4.00c 25.3
293.2200.805 0.7473b3.50c 21.6
293.2200.805 0.6319b5.581c 14.5
293.2201.3 1.857b1.876c 100
293.2201.3 1.770b2.833c 62.4
293.2201.3 1.694b6.345c 27.1
293.2201.3 1.650b10.96c 15.3
293.2202.0 3.073b3.104c 100
293.2202.0 3.069b6.434c 48.3
293.2202.0 3.107b13.17c 23.2
293.2202.0 2.877b23.58c 12.4
293.2203.04 4.09b4.14c 100
323.2500.805 1.029b1.05c 99
323.2500.805 0.8763b1.975c 44.9
323.2500.805 0.9792b2.60c 37.8
323.2500.805 0.8824b4.10c 21.8
323.2500.805 0.7175b4.40c 16.5
323.2502.0 3.08b3.104c 100
323.2502.0 2.737b4.53c 61.2
323.2502.0 2.525b11.62c 21.9
323.2502.0 2.29b18.20c 12.8
353.2800.3138 0.2142b0.2677c 99
353.2800.3138 0.2502b0.568c 44.7
353.2800.3138 0.1951b0.580c 34.0
353.2800.3138 0.107b1.155c 9.38

(a) Calculated by the compiler.

(b) Solubility of CO2 (mol/dm3 sln).

(c) (c1/p1)/mol dm-3 atm-1 = solubility of CO2 at its one atm partial pressure.

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