GB/T 2910.22-2009 Textiles.Quantitative chemical analysis.Part 22:Mixtures of viscose or certain types of cupro or modal or lyocell and flax of ramie fibres(method using formic acid and zinc chloride) (English Version)
This part of GB/T 2910 stipulates the determination of viscose fiber, certain cupro ammonia fiber, modal fiber or lyocell fiber, flax and ramie in the two-component mixture by the formic acid/zinc chloride method. content method. This section does not apply to durable finishing agents or reactive dyes that cannot be completely removed due to the presence of viscose fibers, some cupro fibers, modal fibers or lyocell fibers. A mixture in which it cannot be completely dissolved. Safety Warning: The substances or methods used in this section may be harmful to human health and the environment if used improperly.
GB/T 2910.22-2009 Referenced Document
GB/T 2910.1-2009 Textiles.Quantitative chemical analysis.Part 1:General principles of testing
GB/T 2910.22-2009 history
2009GB/T 2910.12-2009 Textiles.Quantitative chemical analysis.Part 12:Mixtures of acrylic,certain modacrylic,certain chlorofibres,certain elastanes and certain other fibres(method using dimethylformamide)
1997GB/T 2910-1997 Textile--Binary fibre mixtures--Quantitative chemical analysis