Mmiri ncha
Ncha scum maobu ncha lime na esi Ike ma na-acha white bia nwekwara calcium stearate, magnesium stearate na oyiyi alkaline earth metals derivatives nke fatty acids. Ihe Ndia na ebute site na etinye ncha na anionic surfactants na mmiri Siri Ike. Mmiri Siri Ike gunyere calcium na magnesium ions nke na agbru ya na surfactant anion hi emeputa metallic maobu ncha lime.
- − C17+ + Ca2+ → (C17H35) 2Ca + 2 Na+
Na mmeghachi omume a, a na-eji calcium dochie sodium cation na ncha iji mepụta calcium stearate.
Sọn Lime na-ewu ihe na eriri, igwe ịsa ahụ, na sinks. Ihe ndị e ji emepụta ihe anaghị enwe mmetụta nke mmiri siri ike. Ọtụtụ ncha nwere ihe na-egbochi mmepụta nke ncha lime.