Water quality - Enumeration of culturable micro-organisms - Colony count by inoculation in a nutrient agar culture medium (ISO 6222:1999); German version EN ISO 6222:1999
Edition 1999-07

Collection of ecological data for tasks in the field of landscape culture
Edition 2024-06

Microbeam analysis - Selected instrumental performance parameters for the specification and checking of energy-dispersive X-ray spectrometers (EDS) for use with a scanning electron microscope (SEM) or an electron probe microanalyser (EPMA) (ISO 15632:2021)
Edition 2022-09

German standard methods for the examination of water, waste water and sludge - Sludge and sediments (group S) - Part 17: Determination of the organically bound halogens amenable to extraction (EOX) (S 17)
Edition 2017-01

Fertilizers - Determination of magnesium by complexometry; German version EN 16198:2012
Edition 2013-01

Testing of textiles; determination of the elastic behaviour of single and plied yarns by a single application of tensile load between constant extension limits
Edition 1981-08

Testing of textiles; determination of parameters for the crimp of textured filament yarns; filament yarns with a linear density of up to 500 dtex
Edition 1983-11

Biotechnology - Modified organisms for application in the environment - Guidance for the monitoring strategies for deliberate releases of genetically modified plants; German version EN 12468:1997
Edition 1998-04

Biotechnology - Modified organisms for application in the environment - Guidance for the monitoring strategies for deliberate releases of genetically modified microorganisms, including viruses; German version EN 12685:1998
Edition 1998-10

Rotodynamic pumps - Technical documents - Terms, delivery range, layout; German version EN 12262:1998
Edition 1999-02