SN/T 3315.2-2012 (English Version) PDF

Scope: This part of SN/T 3315 specifies the use of the formic acid/zinc chloride method for the determination of viscose fiber, regenerated bamboo fiber, modal fiber, cupro fiber, Lisey fiber, Newdale fiber, and hemp fiber after removing non-fiber substances. Or quantitative fiber analysis method for lyocell and cotton fiber mixtures. If there are regenerated cellulose fibers other than viscose fiber and regenerated bamboo fiber in the sample, it should be tested in advance whether it is soluble in the reagent. The method in this section is applicable to blended products of regenerated cellulose fiber and cotton. This section does not apply to the cotton fibers in the mixture that have been severely chemically degraded. The 40°C dissolution condition in this section does not apply to the presence of durable finishing agents or reactive dyes in the regenerated cellulose fibers that cannot be completely removed, rendering them unable to be removed. completely dissolved.

SN/T 3315.2-2012 history

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