Leather - Chemical determination of chromium(VI) content in leather - Part 2: Chromatographic method (ISO 17075-2:2017); German version EN ISO 17075-2:2017— 23 стр.
Leather - Chemical determination of chromium (VI) content in leather - Part 2: Chromatographic method (ISO/DIS 17075-2:2015); German and English version prEN ISO 17075-2:2015