SurPASS streaming potential measurement

水溶液中固体表面的电荷在许多不同的科学和工程学科中起着关键作用，从生命科学到环境保护，废物处理，食品加工和材料工程。因此，表面电荷的精确测量具有重要的科学和技术意义。虽然小颗粒的表面电荷可以通过我们实验室中的许多仪器精确测量，但测量粗颗粒或平坦表面的表面电荷需要非常不同的仪器，称为流动电位分析仪。本提案旨在请求安东帕尔加拿大公司提供流动电位分析仪（SurPASS）及必要的附件。SurPASS配有不同的测量池，可利用流动电位原理准确可靠地测量宏观固体颗粒和平坦表面的表面电荷特性。

Charges of solid surfaces in an aqueous fluid play a critical role in many different scientific and engineering disciplines, ranging from life sciences to environmental protection, waste treatment, food processing and materials engineering. The accurate measurement of surface charge is therefore of great scientific and technical importance. Although surface charge of small particles can be measured accurately by a number of instruments available in our laboratory, the measurement of surface charge for coarse particles or flat surfaces requires a very different instrument, known as streaming potential analyzer. This proposal is to request for a streaming potential analyzer (SurPASS) with necessary accessories by Anton Paar Canada. The SurPASS with different measuring cells provides an accurate and reliable means to measure surface charge characteristics of macroscopic solid particles and flat surfaces using streaming potential principle.