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

Determination of whey protein content in total protein of milk and milk products - Polarographic method
Edition 2001-09

Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
Edition 2011-07

Determination of casein and whey protein contents of milk and milk products - Electrophoretic method
Edition 1996-06

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

Cereals - Determination of moisture and protein - Method using Near-Infrared Spectroscopy in whole kernels; German version EN 15948:2020
Edition 2020-12

Molecular in vitro diagnostic examinations - Specifications for pre-examination processes for Fine Needle Aspirates (FNAs) - Part 2: Isolated proteins; German version CEN/TS 17688-2:2021
Edition 2022-06

Molecular in vitro diagnostic examinations - Specifications for pre-examination processes for exosomes and other extracellular vesicles in venous whole blood - DNA, RNA and proteins; German version CEN/TS 17747:2022
Edition 2022-08

Textiles - Quantitative chemical analysis - Part 4: Mixtures of certain protein fibres with certain other fibres (method using hypochlorite) (ISO 1833-4:2023); German version EN ISO 1833-4:2023
Edition 2023-12

Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005); German version EN ISO 5983-1:2005
Edition 2005-10