Page 8 - Gas Adsorption Equilibria

Contents vii

Chapter 4: VOLUMETRIC – GRAVIMETRIC MEASUREMENTS 181
1. Introduction 181
2. Volumetric – Gravimetric Measurements of Binary
Coadsorption Equilibria 182
2.1 Experimental 182
2.2 Theory 185
2.3 Uncertainties or Errors of Measurement 191
2.4 Examples 193
3. Densimetric – Gravimetric Measurements of Binary
CoadsorptionEquilibria 205
3.1 Experimental 205
3.2 Theory 208
3.3 Uncertainties or Errors of Measurement 213
3.4 Example 214
3.5 Densimetric-Volumetric Measurements of Binary
Coadsorption Equilibria 218
3.6 Volumetric-Densimetric Measurements of Wall Adsorption 222
4. Pros and Cons of Volumetric-Gravimetric Measurements
of Binary Coadsorption Equilibria 225
4.1 Advantages 225
4.2 Disadvantages 226
4.3 Comparison of Densimetric-Gravimetric and Densi-
metric-Volumetric Binary Coadsorption Measurements 227
5. List of Symbols and Abbreviations 229
References 232

Chapter 5: OSCILLOMETRY 235
1. Introduction 235
2. Measurement of Pure Gas Adsorption Equilibria (N = 1)
by Slow Oscillations of a Rotational Pendulum 237
2.1 Experimental 237
2.2 Outline of Theory 240
2.2.1 The Motion of the Pendulum in Vacuum 241
2.2.2 The Motion of the Pendulum in Sorptive Gas 243
2.3 Uncertainties or Errors of Measurement 251
2.4 Examples 252
3. Oszillometric - Gravimetric Measurements of
Gas Absorption in Swelling Materials 256
3.1 Introductory Remarks 256
3.2 Experimental 257
3.3 Theory 260
3.4 Example 263