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EVS-EN ISO 5398-4:2007

Leather - Chemical determination of chromic oxide content - Part 4: Quantification by inductive coupled plasma/optical emission spectrometer (ICP-OES)

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Kehtetu alates 15.02.2019
Alusdokumendid
ISO 5398-4:2007; EN ISO 5398-4:2007
Tegevusala (ICS grupid)
59.140.30 Parknahk ja karusnahk
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Standardi ajalugu

Staatus
Kuupäev
Tüüp
Nimetus
15.02.2019
Põhitekst
05.11.2007
Põhitekst
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 inductively coupled plasma – optical emission spectrometry and is applicable to leathers which are expected to have chromic oxide contents in excess of 1 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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