| 1x | Neutralized Phthalate Buffer pH 4.8 | EUR 68.00 |
| 1x | Chromium (VI) 1000mg/l in Water | EUR 58.00 |
| 1x | Potassium K - 1g/l in diluted HNO3 for AAS | EUR 20.00 |
| 1x | Iron Fe - 1g/l in diluted HNO3 for AAS | EUR 37.00 |
| 4x | Отстъпка за безхартиено копие на Сертификат за анализ | EUR -4.00 |