Soil improvers and growing media - Sample preparation for chemical and physical tests, determination of dry matter content, moisture content and laboratory compacted bulk density; German version EN 13040:2007— 19 стр.
Accuracy (trueness and precision) of measurement methods and results - Part 5: Alternative methods for the determination of the precision of a standard measurement method (ISO 5725-5:1998), Corrigenda to DIN ISO 5725-5:2002-11 (ISO 5725-5:1998/Cor. 1:2005)— 2 стр.
Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005); German version EN ISO 11732:2005— 25 стр.
