Chemists have applied p-jump techniques to study a wide array of liquid and solid reactions, which are discussed in detail in two excellent books entitled Chemical and Biological Applications of Relaxation Spectrometry (Wyn-Jones, 1974) and Techniques and Applications of Fast Reactions in Solution (Gettins and Wyn-Jones, 1979). [Pg.81]

These perturbation methods of measuring rates of fast reactions have in common two principal features the perturbation of the chemical equilibrium is small and the rate at which the system relaxes to the new equilibrium characteristic of the perturbed state yields, under simple mathematical analysis, the specific rates of forward and back reactions. Fast perturbations of temperature, pressure, and electric field density in a liquid solution are all feasible and their use has given rise to the temperature jump, pressure jump, and dissociation field effect relaxation methods, respectively. The several ultrasonic absorption methods that are somewhat older also properly belong to this class of perturbation methods. [Pg.67]

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