PLASTICS - UNPLASTICIZED CELLULOSE ACETATE - DETERMINATION OF FREE ACIDITY (ISO 1061:1990)
Edition 2000-06-22

Soil quality - Determination of exchangeable acidity using barium chloride solution as extractant (ISO 14254:2018) (Endorsed by Asociación Española de Normalización in June of 2018.)
Edition 2018-06-01

Ethanol as a blending component for petrol - Determination of total acidity - Colour indicator titration method
Edition 2022-07-06

Test method for the determination of the degree of soil acidity according to Baumann-Gully
Edition 2015-04-22

Test on gases evolved during combustion of materials from cables - Part 2: Determination of acidity (by pH measurement) and conductivity
Edition 2014-09-10

Test on gases evolved during combustion of materials from cables - Part 2: Determination of acidity (by pH measurement) and conductivity
Edition 2021-01-27

Insulating liquids - Determination of acidity - Part 1: Automatic potentiometric titration
Edition 2004-10-08

Insulating liquids - Determination of acidity - Part 2: Colourimetric titration.
Edition 2008-04-09

Insulating liquids - Determination of acidity - Part 3: Test methods for non mineral insulating oils
Edition 2015-03-18

Standard Test Method for Acidity in Vinyl Acetate and Acetaldehyde
Edition 2022