Plastics - Unplasticized cellulose acetate - Determination of free acidity (ISO 1061:1990)
Edition 1999-12-01

Ethanol as a blending component for petrol - Determination of total acidity - Colour indicator titration method
Edition 2024-07-01

Energetic materials for defense. Physical-chemical analysis and properties. Acidity or alcalinity of high explosives. Method by dissolution and indicator
Edition 1995-12-01

Test method for the determination of the degree of soil acidity according to Baumann-Gully
Edition 2014-10-15

Ethanol as a blending component for petrol - Determination of total acidity - Colour indicator titration method
Edition 2022-01-01

Animal and vegetable fats and oils - Determination of acid value and acidity (ISO 660:2020)
Edition 2020-12-15

Insulating liquids - Determination of acidity - Part 1: Automatic potentiometric titration (IEC 62021-1:2003)
Edition 2004-08-01

Test method for the determination of the degree of soil acidity according to Baumann-Gully
Edition 2014

Insulating liquids - Determination of acidity - Part 2: Colourimetric titration (IEC 62021-2:2007)
Edition 2008-06-01

Test on gases evolved during combustion of materials from cables - Part 2: Determination of acidity (by pH measurement) and conductivity (Corrigendum) (german version)
Edition 2022-09-01