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Topic: How can you tell polyamide from polyester  (Read 910 times)

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Offline TestMe

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How can you tell polyamide from polyester
« on: December 24, 2019, 05:31:42 PM »
Hi. I have a fabric that either has polyester + lycra or polyamide + lycra. What is the best way to tell whether it has polyester or polyamide? Some posts said ferric hydroxamate test might be the one but others mention that it's not reliable. Could someone suggest a way of testing? Thanks!
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Offline wildfyr

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Re: How can you tell polyamide from polyester
« Reply #1 on: December 27, 2019, 05:06:04 AM »
There is a simple spectroscopy method, can you think which one?
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