Page 9 - Gas Adsorption Equilibria

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4. Oscillometric – Manometric Measurements of Gas
Absorption in Swelling Materials 265
4.1 Introductory Remarks 265
4.2 Experimental 266
4.3 Theory 271
4.4 Example 272
5. Pros and Cons of Oscillometry 275
5.1 Advantages 275
5.2 Disadvantages 275
6. List of Symbols 277
References 282

Chapter 6: IMPEDANCE SPECTROSCOPY 287
1. Introduction 287
2. Dielectric Measurements of Gas Adsorption Systems 289
2.1 Experimental 289
2.2 Theory 299
2.2.1 Basic Concepts 299
2.2.2 Polarization of Dielectrics 302
2.2.3 Models for the Complex Permittivity of Dielectric
Sorbent-Sorbate Systems 306
2.3 Uncertainties of Dielectric Measurements of
Adsorption Systems 316
2.4 Examples 318
3. Dielectric-Manometric and Dielectric-Gravimetric
Measurements of Pure Gas Adsorption Equilibria 332
3.1 Experimental 332
3.2 Examples 336
3.3 Impedance Measurements in Adsorption Reactors 342
4. Pros and Cons of Impedance Spectroscopy 349
4.1 Advantages 349
4.2 Disadvantages 350
5. List of Symbols 351
References 353

Chapter 7: ADSORPTION ISOTHERMS 359
1. Introduction 359
2. Simple Molecular Isotherms 363
2.1 Langmuir Adsorption Isotherm 363
2.1.1 Classical Form 363
2.1.2 Heterogeneous Surfaces 372
2.1.3 Admolecules with Interactions 377