SN/T 3315.2-2012Textiles. Quantitative analysis of regeneration cellulose fiber and cotton. Part 2: Formic acid and zinc chloride method (English PDF)

SN/T 3315.2-2012 is the English-translated version of 纺织品 再生纤维素纤维与棉的定量分析 第2部分：甲酸氯化锌法.

SN/T 3315.2-2012 — SN/T 3315 provisions of this part of the formic acid/assay after removal of non-fibrous material viscose fibers, regenerated bamboo fiber zinc chloride, Modal fiber, copper ammonia fiber, fiber Richcel, New Dyer fiber, hemp fiber or St. lyocell fiber cotton fiber and quantitative analysis of the mixture method.

As the sample there except viscose fibers, regenerated bamboo fiber regenerated cellulose fibers are present, it should test whether pre-dissolved Reagents. The method in this section applies to regenerated cellulose fiber and cotton blended products.

This section does not apply to a mixture of cotton fibers has been seriously chemical degradation, dissolution conditions in this section is not applicable 40 °C in the presence of regenerated cellulose fibers can not completely remove the durability of the finishes or reactive dyes, so that it can not be completely dissolved.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 4 pages — is available in the English PDF.

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