Sodium Sulphide
Talosaga:
E masani ona faʻaaogaina mo ie, vali, mining, tanning, molting, fai pepa, suʻeina o metala ma falemaʻi vailaʻau, ma isi.
Fa'amatalaga:
| Aitema | Tulaga | |
| Na2S | ≥60.0% | ≥60.0% |
| Na2CO3 | ≤1.5% | ≤5% |
| E le mafai ona solu le vai | ≤0.05% | ≤0.4% |
| Fe | ≤30ppm | 1500ppm |
Tusi lau savali iinei ma lafo mai ia i matou






