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[help] friends who have been involved in isoelectric point come in and have a look~~

Nickel Titanium Alloy News 2021-06-24 10:26 75

I don't know how much, but I can give you a method for reference You first roughly estimate a PZC, and then you prepare a solution so that the pH of the solution is greater than that of zirconia PZC, and then add zirconia to the solution bit by bit. With the addition of zirconia, the pH of the solution decreases, and when enough zirconia is added, the pH of the solution will not change, in other words, the isoelectric point of zirconia is reached. As long as the pH of the solution is greater than the PZC of the oxide, the hydroxyl group on the surface of the oxide will dissociate protons to neutralize the hydroxyl radical. When pH = PZC, the driving force will be gone, and the pH of the oxide solution will not change I'm a catalyst now. The carrier is zirconia, who can tell me the isoelectric point of zirconia???

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