Patent 7368053 was granted and assigned to Chung Yuan Christian University on May, 2008 by the United States Patent and Trademark Office.
The present invention discloses a membrane zeta potential measuring system which comprises a first measuring course and a second measuring course. The provided system calculates the zeta potential of the membrane pores based on a first potential drop measured from the first measuring course, and calculates the zeta potential of the membrane surface based on a second potential drop measured from the second measuring course.