Contents · ii
4.2.2 Technical Data and Schematics (Resonators) — 44
4.2.3 General Resonator Measurement Procedure — 46
4.2.4 Resonator Measurement Errors — 46
4.3 Ultrasound Transmission Method: Measurement Range 3 MHz to 5 GHz — 48
4.3.1 Ideal Signal Profile — 48
4.3.2 Real Signal Profile — 49
4.3.3 Technical Data and Schematics (Ultrasound Transmission Cells) — 51
4.3.4 General Measurement Procedure — 51
4.3.5 Errors of the Ultrasound Transmission Cells — 53
4.4 High-Resolution Sound-Velocity Measurement Cell for Liquids — 54
4.4.1 Design and Operation of the Sound-Velocity Cell — 55
4.4.2 Measurement Procedure — 57
4.4.3 Errors of the Sound-Velocity Cell — 58
4.5 Overview of the Experimental Apparatus — 58
4.6 Light-Scattering Apparatus — 59
4.6.1 Self-Beating Spectroscopy — 59
4.6.2 Autocorrelation and Its Practical Implementation — 62
4.7.1 Basic Operating Principle — 64
4.8 Measurement Procedures for the Nitromethane/Pentanol System — 65
5 Evaluation and Analysis — 69
5.1 Chemicals Used and Their Properties — 69
5.2 Preparation of the Sample — 70
5.3.1 Verification of the Basic System Parameters — 73
5.3.1.1 Density and Viscosity Measurements — 73
5.3.1.2 Determination of Sound Velocity — 77
5.4 Ultrasound Measurements — 79
5.4.2 Ultrasound Transmission Cell Measurements — 79
5.5 Light Scattering Measurements and Refractive Index — 81
5.5.2 Diffusion Coefficient D and Correlation Length ξ — 82
5.5.3 Relaxation Rates Γᴰᴸˢ_BF(t) — 86