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LDIR Chemical Imaging Spectroscopy

Laser Direct Infrared Imaging

Laser Direct Infrared (LDIR) imaging provides a rapid and simplified path to molecular imaging using a quantum cascade laser (QCL) coupled with rapidly scanning optics. The Agilent 8700 LDIR chemical imaging system provides high-quality imaging and spectral data, and is ideally suited to the analysis of microplastics.
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Featured Literature

Characterization of Microplastics in Environmental Samples by Laser Direct Infrared Imaging

The chemical composition of microplastics was identified with the Agilent 8700 Laser Direct Infrared (LDIR) chemical imaging system. Ease-of-use and simplicity of creating a library with the Clarity LDIR instrument control software was also shown.

  • Application Notes
  • 7.47 MB

Rapid, Large Area On-Filter Analysis of Microplastics from Plastic Bottles Using Laser Direct Infrared Imaging

Microplastics derived from polyethylene terephthalate (PET) bottles were analysed on gold-coated membrane filters using LDIR.

  • Application Notes
  • 1.48 MB

Fast, Automated Microplastics Analysis Using Laser Direct Chemical Imaging

Characterizing and quantifying microplastics in water samples from marine environments

  • Application Notes
  • 1.68 MB

Analyzing Microplastics

Using the Agilent 8700 Laser Direct Infrared Imaging system for fast and automated analysis of microplastics in environmental samples

  • Brochures
  • 327.56 KB
Featured Videos

LDIR: A Fast and Accurate Solution for Microplastic Analysis

  • 00:02:00
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Featured News

New Application Note Describes Characterization of Microplastics in Environmental Samples by LDIR and User-Generated Libraries

This study identifies the chemical composition of microplastics derived from various large pieces of plastic collected from the beaches of Sorrento, Victoria, Australia. Chemical identification was achieved using a fully automated particle analysis method for the Agilent 8700 laser direct infrared (LDIR) chemical imaging system. The study also demonstrates the ease-of-use and simplicity of creating a library using the Agilent Clarity LDIR instrument control software.

  • 20 Jun 2022

New Application Note Describes Rapid, Large-Area, On-Filter Analysis of Microplastics from Plastic Bottles Using Laser Direct Infrared Imaging

In this study, microplastics derived from polyethylene terephthalate (PET) bottles were analyzed on gold-coated membrane filters using the Agilent 8700 laser direct infrared (LDIR) chemical imaging system. The direct on-filter analysis of particles by the 8700 LDIR is suitable for the routine testing of microplastics in environmental samples.

  • 20 Jun 2022

New Application Uses LDIR to Distinguish Between Polyamide and Natural Polyamide Microplastics

This new study demonstrates the use of an Agilent 8700 LDIR chemical imaging system to successfully discriminate between natural and synthetic polymers.

  • 27 Sep 2021
Featured Training & Events

Microplastics Analysis Doesn't Need to Be So Hard

Microplastics in the environment are fast coming into focus as we begin to understand just how far these manmade products have made their way into ecosystems and food chains alike. The use of plastics has been growing for decades and now small plastic microbeads are also used in everyday products such as cosmetics, toothpaste, and personal care products. Contamination in our waterways, air and food (such as bottled water) from these microplastics (1 µm to 5 mm in size) is gaining significant public interest due largely to its emergence as an environmental and potential human health threat.

While regulators are trying to understand the extent and toxicity of the problem, researchers and analytical methods bodies are working towards standardized analytical solutions to best characterize these particles in terms of chemical identity, size, shape, and total mass.

Raman spectroscopy and mid-infrared imaging using focal plane array (FPA) systems are the most common techniques for this work. While non-destructive and effective they are slow and cumbersome to use. FPA systems, for example, require multi-hour scan times to generate an image. Large quantities of data, full spectra for every pixel, are collected and frequently as much as 30 gigabytes of data must be analyzed to identify these microplastics. This takes many hours and requires a high level of analytical expertise.

There are however alternatives to these traditional techniques based on Quantum Cascade Laser (QCL) technology, which provides a new approach in chemical imaging. In this webinar, we will explore how new QCL based chemical imaging systems can significantly simplify microplastics analysis through a rapid automated workflow.
Webinar/Training

Molecular Spectroscopy Webinar Curriculum

Molecular Spectroscopy Webinar Curriculum includes UV-Vis, UV-Vis-NIR, fluorescence, handheld and benchtop FTIR, and Raman systems for high performance and flexibility
Webinar/Training

Spectroscopy Digital Workshops & Bootcamps

Hone your lab skills, outside the lab, with our live, interactive series of virtual workshops and software bootcamps! Learn about the latest in software solutions for Spectroscopy, discuss the entire analytical process from method development to data analysis, and participate in live analytical runs with our experts. We hope these will prepare you for future hands-on events in the future.
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