Table 1.
Selected examples of recently developed methods of polarographic and voltammetric determination of chemical carcinogens.
| Substance | Technique | Electrode | Medium | LOD, M | Ref. |
|---|---|---|---|---|---|
| Nitrated polycyclic aromatic hydrocarbons | |||||
| 1-nitronaphthalene | DPP | DME | 0.01 M NaOH -MeOH (1:1), pH 12.2 |
1.10-7 | 18 |
| DPV | HMDE | 0.01 M NaOH -MeOH (9:1), pH 12.0 |
3.10-8 | ||
| AdSV | HMDE | 0.001 M LiOH | 2.10-9 | ||
| DPV | AgSAE | BR-MeOH (9:1), pH 7 |
3.10-7 | 18 | |
| 3-nitrobiphenyl | DPP | SMDE | BR-MeOH (1:1), pH 12 | 3.10-8 | 19 |
| DPV | HMDE | BR-MeOH (1:1), pH 12 | 2.10-8 | ||
| AdSV | HMDE | 0.01 M NaOH-MeOH (100:1), pH 12 |
2.10-9 | ||
| DPV | AgSAE | 0.2 M NaOH-MeOH (1:1) | 3.10-7 | 22 | |
| Heterocyclic aromatic hydrocarbons | |||||
| 8-nitroquinoline | DPP | DME | BR-MeOH (9:1), pH 5 | 1.10-7 | 20 |
| DPV | HMDE | BR-MeOH (1:1), pH 4 | 2.10-8 | ||
| AdSV | HMDE | 0.002 M LiOH-MeOH (9:1) | 2.10-8 | ||
| 6-methyl-5- nitroquinoline |
DPP | DME | BR-MeOH (1:1), pH 5 | 21 | |
| DPV | HMDE | BR-MeOH(1:1), pH 6 | |||
| AdSV | HMDE | 0.01 M NaOH-MeOH (99:1) | 2.10-8 | ||
| 6-methyl-5-nitrouracil | DPP | DME | BR, pH 6 | 2.10-7 | 21 |
| DPV | HMDE | BR, pH 7 | 2.10-7 | ||
BR-Briton-Robinson buffer, MeOH - methanol, LOD - limit of detection