Soil improvers and growing media - Extraction of water soluble nutrients and elements; German version EN 13652:2001
Edition 2002-01

Soil improvers and growing media - Extraction of aqua regia soluble elements; German version EN 13650:2001
Edition 2002-01

Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method; German version EN 13654-2:2001
Edition 2002-01

Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method; German version EN 13654-1:2001
Edition 2002-01

Haemostaseology - Determination of factor VII coagulant activity (F VII C) - Part 2: Reference measurement procedure using a synthetic peptide substrate
Edition 2000-03

Haemostaseology - Determination of protein C activity - Reference measurement procedure with a chromogenic peptide substrate
Edition 1998-04

Soil improvers and growing media - Extraction of aqua regia soluble elements
Edition 2001-11

Water quality - Guidance on marine biological surveys of hard-substrate communities (ISO 19493:2007); German version EN ISO 19493:2007
Edition 2007-09

Soil quality - Determination of soil microbial biomass - Part 1: Substrate-induced respiration method (ISO 14240-1:1997); German version EN ISO 14240-1:2011
Edition 2011-09

Paints and varnishes - Coating materials and coating systems for exterior masonry and concrete - Part 7: Determination of crack bridging properties
Edition 2004-06