Assertion: wetting agent's group | /r/HasProperty | anionic functional
Facets:
Source sentences:
text: Anionic surfactants contain anionic functional groups at their head, such as sulfate, sulfonate, phosphate, and carboxylates.
text: Anionic surfactants contain anionic functional groups at their head, such as sulfate, sulfonate, phosphate, and carboxylates.