DIN EN ISO 4048
Leather - Chemical tests - Determination of matter soluble in dichloromethane and free fatty acid content (ISO 4048:2018); German version EN ISO 4048:2018
Leder - Chemische Prüfungen - Bestimmung der in Dichlormethan löslichen Substanzen und des freien Fettsäuregehalts (ISO 4048:2018); Deutsche Fassung EN ISO 4048:2018
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