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

Raposo, F.; de la Rubia, M.A.; Borja, R.; Alaiz, M.; Beltrán, J.; Cavinato, C.; Clinkspoor, M.; Demirer, G.; Diamadopoulos, E.; Helmreich, B.; Jenicek, P.; Martí, N.; Méndez, R.; Noguerol, J.; Pereira, F.; Picard, S.; Torrijos, M. (2009). 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. Talanta 80(1): 329-337.