O le tui o se meafaigaluega fa'ata'ita'i masani, e masani ona fa'aoga e tui ai fa'ata'ita'iga i meafaigāluega su'esu'e e pei o chromatographs ma tele spectrometers. O le tui e masani ona aofia ai se nila ma se tui. E mafai ona filifilia le nila i foliga eseese ma faʻamatalaga e faʻafetaui i faʻataʻitaʻiga eseese ma manaʻoga faʻataʻitaʻi.