NF EN ISO 4045
Leather - Chemical tests - Determination of pH
ISO 4045:2008 specifies a method for determining the pH value and the difference figure of an aqueous leather extract. It is applicable to all types of leather.
ISO 4045:2008 specifies a method for determining the pH value and the difference figure of an aqueous leather extract. It is applicable to all types of leather.
<p>This document specifies a method for determining the pH value and the difference figure of an aqueous leather extract. It is applicable to all types of leather.</p>
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