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ISO DIS 5398-3

2017 Edition, July 26, 2017

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LEATHER - CHEMICAL DETERMINATION OF CHROMIC OXIDE CONTENT - PART 3: QUANTIFICATION BY ATOMIC ABSORPTION SPECTROMETRY



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Superseded By: ISO 5398-3

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NOW A PUBLISHED STD * SEE ISO 5398-3
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Description / Abstract:

This part of ISO 5398 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 chromium by atomic absorption spectrometry and is applicable to leathers which are expected to have chromic oxide contents in excess of 5 mg/kg. Two techniques for the preparation of the solution to be analysed are included. In the case of dispute, the wet oxidation technique is to be used.
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