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Research on Using Sodium Hydroxide in Quantitative Analysis of Stainless Fiber

Zhang Xiaojing;Zhang Shen;He Weixing;Jiangsu Provincial Textile Research Institute Co.,Ltd.;  
The feasibility of using 40wt% NaOH aqueous solution in analyzing fiber content in stainless fiber blended yarn were discussed in the article,according to the property of cotton be dissolved in 75wt%sulfuric acid and polyester be dissolved in 40wt% NaOH aqueous solution.The result shows that quantitative analysis of polyester cotton stainless blended yarn through 75wt%sulfuric acid and 40wt% NaOH aqueous solution method is accurate and reliable with good reproducibility.
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