Glyoxylic Acid
Hunhu chiyero (bhizinesi chiyero):
| Miedzo | Standard |
| Chitarisiko | Mvura yakatsvuka yero |
| Glyoxylic acid | ≤1.0% |
| Glyoxal | ≤0.5% |
| Oxalic acid | ≤1.0% |
Nyora meseji yako pano uye titumire kwatiri
Hunhu chiyero (bhizinesi chiyero):
| Miedzo | Standard |
| Chitarisiko | Mvura yakatsvuka yero |
| Glyoxylic acid | ≤1.0% |
| Glyoxal | ≤0.5% |
| Oxalic acid | ≤1.0% |