Long term use of preparations for supplementary feeding of animals aiming specific nutritional purposes, with a high concentration of minerals, inevitably contain traces of arsenic, cadmium or lead that exceed the established maximum limits for individual heavy metals complementary feed.
The boundaries of these harmful elements presented in Directive 2002/32 / EC, as amended and in force.
| Parameter | Method |
|---|---|
| Cadmium | GF-AAS |
| Mercury | Hydride-AAS |
| Lead | GF-AAS |
| Arsenic | Hydride-AAS |
| Nitrites | |
| more |