German standard methods for the examination of water, waste water and sludge; general measures of effects and substances (group H); determination of hydrogen peroxide and its adducts (H 15)
Edition 1987-06

Cosmetics - Measurement of the sunscreen efficacy by diffuse reflectance spectroscopy (ISO/DIS 23698:2024); German and English version prEN ISO 23698:2024
Edition 2024-03

Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants; German version EN 12014-5:1997
Edition 1997-08

Synthetic quartz crystal - Specifications and guidelines for use (IEC 60758:2016); German version EN 60758:2016
Edition 2017-04

Analytical colorimetry - Part 1: Practical colour measurement (ISO 18314-1:2015); German version EN ISO 18314-1:2018
Edition 2018-12

Animal feeding stuffs - Determination of phytase activity (ISO 30024:2009); German version EN ISO 30024:2009
Edition 2009-11

Analysis of honey - Determination of diastase activity - Part 1: Schade method
Edition 2018-09

Milk - Determination of urea and ammonia content - Photometric method
Edition 2013-09

Milk and milk products - Determination of lactose content of lactose-reduced milk and milk products in the presence of glucose - Enzymatic method
Edition 2017-12

Analysis of honey - General guidelines for the ad hoc validation of analysis methods for organic residues or contaminants
Edition 2010-08