Sludge reference material
Coming from WWTP with urban or industrial origin, these reference materials are provided in containers of 65 mL containing dry and sieved sludge.
The available parameters for this kind of matrix are the following ones:
| Aluminium | Iron | Kjeldahl Nitrogen |
| Arsenic | Magnesium | pH |
| Cadmium | Manganese | Lead |
| Copper | Organic Matter | Conductivity |
| Mercury | Selenium | Chromium |
| Nickel | Zinc | Total Phosphorus |
You can check the available concentrations requesting our appendix for physical-chemical reference materials through our e-mail address comercial@ielab.es.
