DIN EN ISO 10195:2021-10 Leather - Chemical determination of chromium(VI) content in leather - Thermal pre-ageing of leather and determination of hexavalent chromium (ISO 10195:2018); German version EN ISO 10195:2021
2021DIN EN ISO 10195:2021 Leather - Chemical determination of chromium(VI) content in leather - Thermal pre-ageing of leather and determination of hexavalent chromium (ISO 10195:2018); German version EN ISO 10195:2021