SN EN ISO 10195:2021 皮革 皮革中鉻(VI)含量的化學(xué)測(cè)定 皮革的熱預(yù)老化和六價(jià)鉻的測(cè)定(ISO 10195:2018)
Leather - Chemical determination of chromium(VI) content in leather - Thermal pre-ageing of leather and determination of hexavalent chromium (ISO 10195:2018)