GOST ISO 1833-22-2015 紡織品. 定量化學分析. 第22部分. 粘膠混合物或者某些類型的白銅或者莫代爾或者萊賽爾或者亞麻纖維 (甲酸和氯化鋅法)
Textiles. Quantitative chemical analysis. Part 22. Mixtures of viscose or certain types of cupro or modal or lyocell and flax fibres (method using formic acid and zinc chloride)