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Microplastic Solution Spectral Library
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Researchers released a free Raman spectral library containing 30 spectra of pigment-free polymers and minerals, collected using a 532 nm laser with 100× objective, intended to enhance reliability and consistency in microplastic identification research.
We offer a free Raman MP library with 30 spectra consisting of twenty-eight pigment-free polymer spectra and two mineral spectra. The absence of pigments and additives enhances base-polymer recognition and supports more reliable, consistent microplastic analysis. Having access to a robust and well-curated spectral library is fundamental to producing solid MP research—so here’s ours, freely available to use. Spectra were collected from in-house plastic and non-plastic compounds. compounds were measured using a 532 nm He–Cd laser (7.2 mW, 8% power) with a 100× objective, yielding a lateral resolution of ~1 µmSpectra were collected from 200–3400 cm⁻¹ with a 600 g/mm grating and ~1 cm spectral resolution.der of 1 cm-1. About the data: First row: Spectral range in cm-1. Second row: Relative intensity from 0 to 1. Data can be visualized in Excel, SpectrGryph or other spectroscopy software.
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Microplastic Solution Library 1.1
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Researchers released Microplastic Solution Library 1.1, a Raman spectral reference library containing 30 spectra covering 28 synthetic polymer types and two minerals, designed for identification of microplastic particles across all environmental sample types.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.