Mobilities of injected ions in liquid water
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Abstract
The original objectives of this project were to develop methods for measuring the mobility of ions in water by means of ion injection techniques with the ultimate goal of using these data to investigate the feasibility of using the Hall effect to measure impurity ion mobilities at dilute ionic concentrations. A number of preliminary studies proved to be necessary in order to accomplish the primary goals. These experiments which have been completed include ion mobility studies in water vapor, studies of corona discharges from fine points in water vapor, injection of ions into water using corona methods, and ejection of ions from water into water vapor. These measurements were performed for both positive and negative ions. Results indicate that injection techniques using coronas are not suitable for ion mobility measurements in water because injected charge densities are insufficient to overcome the natural conductivity of water even in its purest state. On the other hand, these studies have yielded new information which appear to be relevant to nucleation studies.
This material is based upon work supported by the U.S. Geological Survey and the Missouri Water Center under the Grant/Cooperative Agreement.
The views and conclusions contained in this document are those of the authors and should not be interpreted as representing the opinions or policies of the U.S. Geological Survey or Missouri Water Center. Mention of trade names or commercial products does not constitute their endorsement by the U.S. Geological Survey or Missouri Water Center.
This material is based upon work supported by the U.S. Geological Survey and the Missouri Water Center under the Grant/Cooperative Agreement.
The views and conclusions contained in this document are those of the authors and should not be interpreted as representing the opinions or policies of the U.S. Geological Survey or Missouri Water Center. Mention of trade names or commercial products does not constitute their endorsement by the U.S. Geological Survey or Missouri Water Center.