Tag: derek

Zeta Potential Measurements for PES and Cellulose

Using streaming potential data collected via the flow device Jess created, I have attempted to recreate the Zydney findings for membrane zeta potential.  Ag/AgCl electrodes were used in 10mM KCl, mimicking identically the method outlined in Zydney. Data are below:

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Materials in contact with media in micropump

The pump’s data sheet (located here) describes the pumps materials as: polyphenylene sulphone (PPSU) polyimide (PI) nitrile butadiene rubber (NBR) It also says that the acceptable particle tolerance is < 50 μm.    This is the info we will need to

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