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LDIR Chemical Imaging Spectroscopy

Laser Direct Infrared Imaging for Fast, Automated Analysis of Microplastics

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

Thin Multilayer Analysis Using the Agilent 8700 LDIR Chemical Imaging System

A powerful, non-destructive method is described for characterizing multiple ultra-thin polymer layers using the Agilent 8700 LDIR chemical imaging system.

  • Application Notes
  • 2.62 MB

Microplastics Characterization in Carbonated Beverages and Apple Juice by LDIR

A rapid, automated approach is described for detecting and characterizing microplastics in carbonated beverages and apple juice following filtration using the Agilent 8700 LDIR chemical imaging system.

  • Application Notes
  • 4.53 MB

Solving Our Plastic Problem: Advances in Microplastics Analysis

Plastic is essential in modern life but is nonbiodegradable primarily, taking up to 400 years to decompose. Production has skyrocketed, leading to widespread microplastic pollution. Agilent is tackling this issue with advanced tools for analyzing microplastics, aiming to better understand and mitigate their environmental and health impacts.

  • Primers
  • 1.88 MB

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
  • 7.49 MB
Featured Videos

LDIR: A Fast and Accurate Solution for Microplastic Analysis

  • 00:02:00

Microplastic analysis in aquatic samples using Quantum-Cascade-Laser-based Infrared Imaging

  • 00:25:36

Microplastic Analysis in Minutes, Not Hours

  • 00:03:25

Accurate Microplastic Analysis of Bottled Drinking Water by LDIR

  • 00:01:46
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Featured News

Detecting Spice Adulteration in Turmeric with the Agilent 8700 LDIR Chemical Imaging System

This application note highlights the potential of LDIR in targeted spice adulteration detection through particle analysis (PA) and spectral identification. Using the Clarity software, a custom spectral reference library and automated PA workflow were employed. The system quickly distinguished pure turmeric from adulterants. The method robustness is of particular value—with simple sample preparation, the system demonstrates a practical, time-saving solution for high-throughput analyses.

  • 26 Nov 2025

Microplastics Characterization in Carbonated Beverages and Apple Juice by Laser Direct Infrared

Microplastics in food and drink raises contamination concerns. This study uses the Agilent 8700 LDIR system for rapid, automated detection in carbonated beverages and apple juice. Samples in plastic, glass, cans, and cartons were analyzed directly on aluminum-coated filters. Using the Clarity software’s particle analysis and microplastics library, PVC and PET were found in all samples, showing the system’s suitability for food safety monitoring.

  • 17 Oct 2025

White Paper: Microplastic Analysis in Drinking Water—Navigating Regulatory Frameworks

Dive into the world of microplastics in water! Read the white paper to explore innovative methodologies, address critical challenges, and anticipate regulatory changes in water quality.

  • 10 Apr 2025
Featured Training & Events

Navigating Global Regulatory Frameworks for Microplastic Analysis in Drinking Water Using Vibrational Spectroscopy

Explore how SEC with Agilent spectrophotometers drives energy breakthroughs in batteries, solar cells & fuel cells.
Webinar/Training

Challenges in Microplastics Analysis: From Routine Laboratory Testing to Pushing the Boundary on Particle Sizes

In this webinar, we will hear from two speakers addressing very diverse but widely prevalent challenges.
Webinar/Training

Sample Preparation for microplastics by LDIR: Best Practice

In this webinar, we will highlight microplastic sample preparation in various matrices and examine best practices for performing accurate on-filter microplastic analysis using the Agilent 8700 LDIR Chemical Imaging System.
Webinar/Training

Standardized ISO Methodologies for the Assessment of Microplastics: An Update on Key Developments

During this webinar, we will explore the development of these standard methodologies and some of the key challenges faced in their implementation.
Webinar/Training

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