Detection of polymer impurities in recycled plastics using chemometric analysis of ATR spectroscopy

4 Mar 2025

Learn how the Specac Quest™ can be used to quickly identify impurities in your plastic materials.

As global concerns over plastic waste and landfill overflow grow, the need for efficient recycling solutions has never been greater. One critical challenge in plastic recycling is accurately identifying and separating different polymer types to ensure high-quality reuse. Despite best efforts, contamination remains a persistent issue—making precise impurity detection essential.

In this application note, discover how Specac used FTIR spectroscopy and chemometric analysis to effectively quantify polypropylene (PP) impurities in polyethylene (PE). Learn how the Specac Quest™ single-reflection ATR is specifically designed for mid- and far-IR applications, featuring an advanced gold-coated, all-reflective optical design powered by Specac’s proprietary Synopti-Focal array technology.

Download the application note now to explore cutting-edge techniques for ensuring the purity of your recycled plastics.

Quest diamond ATR

Specac Ltd

The Quest™ ATR is a single-reflection ATR accessory from Specac designed for routine use in academic and industrial laboratories.  With features designed to inspire confidence in the quality of results and reliability in use, this product sets the benchmark in performance and value in FTIR-ATR Spectroscopy. 

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