Accuracy (trueness and precision) of measurement methods and results - Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method (ISO 5725-2:1994 including Technical Corrigendum 1:2002)— 97 стр.
Characterization of sludges - Filtration properties - Part 4: Determination of the drainability of flocculated sludge; German version EN 14701-4:2018— 22 стр.