Ama-ion ama-negative akhishwa amathayela e-ion angemahle angabola amagesi ayingozi njenge-formaldehyde ne-toluene ekhishwa ifenisha yasendlini, phansi, opende, nezinye izinto zokwakha ngokusabela kwe-redox yama-electron.
Ama-ion anegative angabola amagesi acasulayo njengegesi ye-ammonia, futhi ngesikhathi esifanayo asebenzise umphumela wokukhangisa wama-ion angalungile ukuze enze uthuli olusemoyeni luhehe futhi lube lukhudlwana, kusukela othulini oluntantayo emoyeni kuya ezinhlayiyeni ezinkulu zothuli eziwela umhlabathi.