Method for quantitatively detecting content of each component in mixture of polyester fiber and polypropylene fiber
A technology of polypropylene fiber and polyester fiber, which is applied in the detection field of textile components, and can solve problems such as adverse environmental effects and easy volatility
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[0010] The concentration of the concentrated sulfuric acid of the dissolving reagent used in the present invention is above 98%. The textile fiber component test requires at least 1g sample. First, the sample sample is disassembled into yarn or cut into small pieces, dried and weighed, and immersed in 100 ml of concentrated sulfuric acid. The test temperature is room temperature and the stirring time is 30 minutes. Filter the remaining fibers after dissolving concentrated sulfuric acid into a crucible, wash with a small amount of concentrated sulfuric acid, pour out the concentrated sulfuric acid in the filter bottle, and then sequentially treat with 75% sulfuric acid solution, wash with distilled water, and 8% dilute ammonia solution And, finally rinse with distilled water. The correction coefficient of polypropylene fiber under this dissolution condition is 1.0. The other operations are the same as the conventional textile inspection.
[0011] Attached table 1 is the compa...
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