ISO 5398-1:2007 (IULTCS/IUC 8-1)
Leather -- Chemical determination of chromic oxide content -- Part 1: Quantification by titration
This standard has been revised by ISO 5398-1:2018
ISO 5398-1:2007 describes a method for the determination of chromium in aqueous solution obtained from leather. This is an analysis for total chromium in leather; it is not compound specific or specific to its oxidation state.
This method describes the determination of chrome by iodometric titration and is to be applicable to chromium-tanned leathers which are expected to have chromic oxide contents in excess of 0,3 %. Two different methods are described as alternatives for obtaining chromium in a suitable solution. It is appropriate to use either method.
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