faʻaaogaina e fai ai le susu samasama i le tioata ma le enamel alamanuia, lanu samasama faʻaaogaina i le alamanuia pepa. Fa'aaogaina e fai ma mordant i le lomitusi ma le vali vali. I le alamanuia inorganic, e fa'aaogaina e fai ai isi masima ta'ita'i ma ta'i dioxide. I totonu o fale gaosi oloa, e faʻaaogaina e gaosia ai astringents. O lo'o fa'aaogaina i le la'uina o pisinisi e fai ma sui fa'ameamea. E le gata i lea, o loʻo faʻaaogaina foi e avea o se mea faʻamaʻi mo le gaosiga o afitusi, afi, ma suʻesuʻega vailaʻau.
SN | Su'ega mea | Manaoga | I'uga o su'ega |
1 | Su'ega (pei o le Pb (NO3)2% | ≥98 | 99.43 |
2 | E le mafai ona so'ona vai,% | ≤0.2 | 0.05 |
3 | Susū (H2O), % | ≤1.7 | 0.072 |
4 | Kopa(e pei o Cu), % | ≤0.002 | 0.000058 |
5 | Klorida(pei o Cl), % | ≤0.1 | 0.07 |
6 | Asi fua (pei o le HNO3) | ≤0.5 | 0.45 |
7 | Fa'aaliga | tioata paepae | tioata paepae |