Assertion: anionic surfactant | /r/HasAspect | cationic and anionic centers
Facets:
Source sentences:
text: Zwitterionic (amphoteric) surfactants have both cationic and anionic centers attached to the same molecule.
text: Zwitterionic (amphoteric) surfactants have both cationic and anionic centers attached to the same molecule.