E tusa ai ma manaoga faʻapitoa o tagata faʻatau, faʻaleleia meafaifaʻaili muamua e ala i le faʻaopoopoina o vaega faʻapitoa.
Faatasi ai ma le tuʻufaʻatasia o le ion chromatography ma le valve switching technology, faʻatamaoaigaina faʻataʻitaʻiga, matrix elimination, vavaeeseina ma le faʻamoemoe e mafai ona ausia i se ala tafe se tasi; Le faʻavasegaina o le faasologa atoa o masini pretreatment mo faʻataʻitaʻiga faʻapitoa, ina ia faia le suʻesuʻega sili atu ona tomai ma lelei; E tusa ai ma masaniga faʻaoga, faʻavasega le polokalama faakomepiuta galuega ma faʻaleleia le faʻaogaina o masini.