Leather - Chemical determination of chromic oxide content - Part 3: Quantification by atomic absorption spectrometry (ISO 5398-3:2007); German version EN ISO 5398-3:2007— 12 стр.
Leather - Chemical determination of chromic oxide content - Part 3: Quantification by atomic absorption spectrometry (ISO 5398-3:2018); German version EN ISO 5398-3:2018— 15 стр.
Leather - Chemical determination of chromic oxide content - Part 3: Quantification by atomic absorption spectrometry (ISO 5398-3:2018); German version EN ISO 5398-3:2018— 15 стр.