Water quality - Determination of dissolved Li⁺, Na⁺, NH₄⁺, K⁺, Mn²⁺, Ca²⁺, Mg²⁺, Sr²⁺ and Ba²⁺ using ion chromatography - Method for water and waste water (ISO 14911:1998); German version EN ISO 14911:1999
Edition 1999-12

Soil quality - Dissolution for the determination of total element content - Part 2: Dissolution by alkaline fusion (ISO 14869-2:2002)
Edition 2003-01

Microbiological analysis of milk - Enumeration of yeasts and moulds - Reference method
Edition 2025-09

Microbiological analysis of milk - Determination of coliforms - Part 3: Method with solid medium
Edition 2025-04

Hydrogen fuel - Product specification and quality assurance for hydrogen refuelling points dispensing liquid or gaseous hydrogen - Proton exchange membrane (PEM) fuel cell applications for vehicles; German and English version prEN 17124:2025
Edition 2025-10

German standard methods for the examination of water, waste water and sludge - Microbiological methods (group K) - Part 25: Protocol for the validation of alternative confirmation procedures and for verification of validated alternative confirmation procedures (K 25)
Edition 2025-11

Interface for serial measurement data communication - Part 3: Application services, messages (protocol data units) and protocols
Edition 1998-04

Plant biostimulants - Terminology; German version EN 17724:2024
Edition 2025-03

Fertilizers, liming materials and inhibitors - Vocabulary - Part 1: General terms; German and English version prEN 12944-1:2026
Edition 2026-02

Plant biostimulants - Determination of microorganisms' concentration; German version EN 17714:2024
Edition 2025-03