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How is fluorine used in some textile treatments?

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A color-coded periodic table of the elements displays each element's symbol and atomic number, with categories such as alkali metals, noble gases, halogens, transition metals, and actinoid elements distinguished by different background colors. — halogen Modern version of the periodic table of the elements.

Fluorinated compounds are utilized in textile treatments primarily as soil-release agents, which function to make fabrics easier to wash. Additionally, sodium bifluoride is employed in the textile industry as a laundry sour, a process that also effectively removes iron stains from fabrics without causing damage to the material.1