Alkali dissolving polyester

Alkali dissolving polyester

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Credit: MARTYN F. CHILLMAID/SCIENCE PHOTO LIBRARY

Caption: Alkali dissolving polyester. A pipette is used to put a drop of concentrated sodium hydroxide onto a swatch of polyester. Care must be taken when working in a lab with alkalis as they can easily hydrolyse polyesters and cause holes in clothing. A previous drop has burned a hole in the material and bleached the surrounding.

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Keywords: alkali, alkalis, burn, burning, chemical, chemistry, cloth, concentrated, damage, dangerous, dissolve, dropping pipette, hole, hydrolyse, hydrolysing, naoh, no-one, nobody, pipette, polyester, school science, science education, sodium hydroxide

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