Plastics - Unplasticized cellulose acetate - Determination of free acidity (ISO 1061:1990); German version EN ISO 1061:1999
Edition 2000-02

Soil quality - Determination of exchangeable acidity using barium chloride solution as extractant (ISO 14254:2018); German version EN ISO 14254:2018
Edition 2018-11

Determination of free acidity of caseins; reference method
Edition 1983-03

Ethanol as a blending component for petrol - Determination of total acidity - Colour indicator titration method; German and English version prEN 15491:2024
Edition 2024-06

General methods of test for pigments and extenders - Part 4: Determination of acidity or alkalinity of the aqueous extract (ISO 787-4:1981); German version EN ISO 787-4:2017
Edition 2018-01

Pigments - Zincoxide pigments - Methods of analysis
Edition 1998-07

Plastics - Polyurethane raw materials - Determination of isocyanate content (ISO 14896:2009); German version EN ISO 14896:2009
Edition 2009-07

Testing of ion exchangers - Determination of the total capacity of cation exchangers
Edition 2009-04

Leather - Chemicals - Quality control; German version EN 17848:2023
Edition 2023-07

Test methods for nonwoven compresses for medical use - Part 1: Nonwovens used in the manufacture of compresses; German version EN 1644-1:1997
Edition 1997-04