amphiprotic


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Related to amphiprotic: amphiprotic solvent

amphiprotic

[¦am·fə¦präd·ik]
(chemistry)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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OCM-CS is an amphiprotic ether derivative which contains both the -[COO.sup.-] and -[NH.sub.3.sup.+] groups [30, 41].
In amphiprotic solvents, such as water, the surface charge is counterbalanced by both cations and anions, the ionic strength is greater, and the double layer is more compact, which results in a slower EOF.
The reason for this behavior or morphological complexity can be ascribed to the amphiprotic nature of P4VP where the addition of acid or base introduces ionic groups into the corona chains.