Cu2 | Zn2 ) | Fe3 | Al3 | Ni | Cr | K | Pb | Cl- | NO-2 | NO-3 | SO2-4 |
0.001 | 0.002 | 0.002 | 0.003 | 0.001 | 0.001 | 0.002 | 0.003 | 0.01 | 0.02 | 0.01 | 0.02 |