Résumé
The principle consists in preparation of an aqueous extract from a test portion of the leather, and measurement of the pH of the extract, using a pH meter. The definition of a difference figure of an aqueous leather extract is given. Reagents, apparatus, procedure and the test report are specified.
Cycle de vie
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Actuellement
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Révisée par
AnnuléeISO 4045:2008
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