Soil improvers and growing media - Determination of particle size distribution; German version EN 15428:2007
Edition 2007-11

Water quality - Determination of sulfates - Method by continuous flow analysis (CFA) (ISO 22743:2006 + Cor. 1:2007)
Edition 2015-08

Animal feeding stuffs - Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, sulphur, iron, zinc, copper, manganese and cobalt after pressure digestion by ICP-AES; German version EN 15621:2017
Edition 2017-10

Water quality - Determination of the toxic effect of sediment on the growth behaviour of Myriophyllum aquaticum (ISO 16191:2013)
Edition 2019-08

Characterization of sludges - Laboratory chemical conditioning procedure; German version EN 14742:2015
Edition 2015-07

Statistical methods for use in proficiency testing by interlaboratory comparison (ISO 13528:2015, Corrected version 2016-10-15); Text in German and English
Edition 2020-09

Milk and milk products - Determination of the sugar contents - High performance anion exchange chromatography with pulsed amperometric detection method (HPAEC-PAD) (ISO 22184:2021); German version EN ISO 22184:2021
Edition 2021-06

Milk - Determination of freezing point - Thermistor cryoscope method (Reference method) (ISO 5764:2009); German version EN ISO 5764:2009
Edition 2009-10

Paper, board, pulps and cellulosic nanomaterials - Determination of dry matter content by oven-drying method - Part 1: Materials in solid form (ISO 638-1:2022); German version EN ISO 638-1:2022
Edition 2022-07

Haematology - Determination of the concentration of blood corpuscles in blood - Part 4: Reference procedure for the determination of the concentration of leucocytes
Edition 2003-07