DIN Standards Committee Materials Testing
ISO 4048
Leather - Chemical tests - Determination of matter soluble in dichloromethane and free fatty acid content
Leder - Chemische Prüfungen - Bestimmung der in Dichlormethan löslichen Substanzen und des freien Fettsäuregehalts
Responsible national committee
NA 062-05-52 AA - Chemical test methods for leather and leather auxiliaries