Determination of casein content, casein and whey protein contents in total protein of milk and milk products - Casein-phosphorus method
Edition 1994-08

Leather - Chemical tests for the determination of certain azo colourants in dyed leathers - Part 1: Determination of certain aromatic amines derived from azo colourants (ISO 17234-1:2024); German version EN ISO 17234-1:2024
Edition 2025-04

Electrodeposited coatings - Electroplated coatings of aluminium and aluminium alloys with supplementary treatment - Requirements and test methods; German version EN 15646:2009
Edition 2009-07

Textile fabrics - Determination of antibacterial activity - Agar diffusion plate test (ISO 20645:2004); German version EN ISO 20645:2004
Edition 2005-02

Acoustics - Reference zero for the calibration of audiometric equipment - Part 4: Reference levels for narrow-band masking noise (ISO 389-4:1994); German version EN ISO 389-4:1998
Edition 1999-07

Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 1: Detection of the use of certain azo colorants accessible with and without extracting the fibres (ISO 14362-1:2017); German version EN ISO 14362-1:2017
Edition 2017-05

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 verifications of validated alternative confirmation procedures (K 25)
Edition 2024-07