DIN EN ISO 5398-2-2009 皮革.氧化铬含量的化学法测定.第2部分:通过比色测定法进行定量(ISO 5398-2:2009),DIN EN ISO 5398-2:2009-06的英文版本
Leather - Chemical determination of chromic oxide content - Part 2: Quantification by colorimetric determination (ISO 5398-2:2009); English version of DIN EN ISO 5398-2:2009-06
This part of ISO 5398 describes the determination of chrome by colorimetric means. It is applicable to leathers
which are expected to have chromic oxide contents in excess of 0,05 %.
This is an analysis for total chromium in leather; it is not compound specific or specific to its oxidation state.