DIN Standards Committee Materials Testing
DIN EN ISO 4045
Leather - Chemical tests - Determination of pH and difference figure (ISO/DIS 4045:2017); German and English version prEN ISO 4045:2017
Leder - Chemische Prüfungen - Bestimmung des pH und der Differenzzahl (ISO/DIS 4045:2017); Deutsche und Englische Fassung prEN ISO 4045:2017
Responsible national committee
NA 062-05-52 AA - Chemical test methods of leather
Responsible european committee
Responsible international committee
IULTCS - International Union of Leather Technologists and Chemists Societies