DIN EN ISO 1833-6 : 2019 Title: Textiles - Quantitative chemical analysis - Part 6: Mixtures of viscose, certain types of cupro, modal or lyocell with certain other fibres (method using formic acid and zinc chloride) (ISO 1833-6:2018) Year: 2019 Publisher: DIN Media GmbH Availability: Within 1-2 working days