1. Polymer tracer detection systems with UV fluorescence spectrometry to improve product recyclability
2. https://www.ampacet.com/molecular-tracers-for-packaging-provide-product-security-authentication/.
3. https://www.avient.com/products/polymer-additives/fiber-additives/cesa-fiber-tracer-concentrates, Avient Corp., Nov. 23, 2022.
4. FluoroPel. Cytonix. https://cytonix.com/pages/literature
5. https://www.changetheplastic.com/product/tracer.