Ko te waikawa pararopi noa, ko te waikawa phosphoric ehara i te mea ngawari ki te whakaheke, ehara i te mea ngawari ki te pirau, tata karekau he waikura, me te waikawa noa, he waikawa ngoikore ternary, he ngoikore ake tona waikawa i te waikawa puota, waikawa pungatara, waikawa nitric, engari he kaha ake i te acetic. te waikawa, te waikawa boric, me etahi atu. Ko te waikawa Phosphoric ka ngawari ki te whakakore i te hau, ka ngaro te wai o te wera ki te tiki waikawa pyrophosphoric, katahi ka ngaro te wai hei tiki metaphosphate.