An interlaboratory study as useful tool for proficiency testing of chemical oxygen demand measurements using solid substrates and liquid samples with high suspended solid content

1. Raposo, F.
2. de la Rubia, M.A.
3. Borja, R.
4. Alaiz, M.
5. Beltrán, J.
6. Cavinato, C.
7. Clinckspoor, M.
8. Demirer, G.
9. Diamadopoulos, E.
10. Helmreich, B.
11. Jenicek, P.
12. Martí, N.
13. Méndez, R.
14. Noguerol, J.
15. Pereira, F.
16. Picard, S.
17. Torrijos, M.