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ČSN is a protected designation of Czech national technical standards.
Leather - Determination of matter soluble in dichloromethane
WITHDRAWN published on 1.7.1999
Selected format:Leather - Chemical tests - Determination of matter soluble in dichloromethane and free fatty acid content (ISO 4048:2008)
WITHDRAWN published on 1.8.2008
Selected format:
WITHDRAWN published on 26.2.1975
Selected format:Testing of leathers. Determination of water-soluble matters in leather
WITHDRAWN published on 4.7.1975
Selected format:Testing of leathers. Determination of nitrogen, hide substance, leather substance, bound tanning, matters yield number and degree of tannage
Standard published on 8.3.1972
Selected format:Leather - Chemical tests - Determination of pH and difference figure
Standard published on 1.12.2018
Selected format:Leather. Determination of pH
WITHDRAWN published on 1.12.1994
Selected format:Leather - Chemical tests - Determination of pH (ISO 4045:2008)
WITHDRAWN published on 1.8.2008
Selected format:
WITHDRAWN published on 21.2.1977
Selected format:Leather - Chemical determination of metal content - Part 1: Extractable metals
Standard published on 1.10.2019
Selected format:Latest update: 2026-05-04 (Number of items: 2 275 493)
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