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解决方案
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electrokinetic properties of ceramic powders
发布:陕西思的信息资讯有限公司浏览次数:399The electrokinetic behaviour of compact ceramic surfaces is mainly characterised by streaming-potential measurement using flow parallel to the surface. For these measurements the electrokinetic analyser (EKA) is commercially available. Often this method shows experimental difficulties. In view of filtration-membranes characterisation the process determining effect derives not only from the surface. The open porosity of the membrane as a whole also influences the interaction with charged species to be filtrated. A new method was developed closely related to real filtration: A flow-through potential measurement. Suspensions are nowadays characterised using an electroacoustic method. To link the electrokinetic results measured on suspensions to measurements on compact surfaces a new electroacoustic-surface-potential measurement was tested. It is obvious that the electrokinetic behaviour of compact ceramic cannot be derived from suspension measurement. The properties of the electrically chargeable MOH groups on the surface is changed during thermal treatment. 德国PA在线高浓度粒度分析仪 德国PA高浓度粒度分析仪 德国PA高浓度Zeta电位分析仪
2011-06-17相关仪器 -
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