许多微粒系统取决于颗粒悬浮体系的稳定性和再分散能力,而它的PH范围不能太过局限。一种达到稳定性的方法为通过适当的离子端基修饰改变它的界面。越高的离子电荷密度,单个颗粒间的排斥力就越高,从而可以克服范德华吸引力。离子排斥可以通过静电学的颗粒界面电势(PIP)和总的离子表面电势表征。PH稳定范围和总离子电势,都可以通过Stabino II ® 电位滴定轻松控制。
This particular investigation of phosphor emission characteristics was made possible by the excellent stray-light reflection, sensitivity, and wide lifetime range of the FLUOROLOG-τ® producing rapid and accurate characterization of the phosphor.