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LDIR 激光红外成像光谱仪


激光红外 (LDIR) 成像采用量子级联激光器 (QCL) 结合快速扫描光学元件,可使分子成像更快速、更简单。Agilent 8700 LDIR 激光红外成像系统提供高质量的成像与光谱数据,非常适合微塑料分析。








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.

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.

Fast, Automated Microplastics Analysis Using Laser Direct Chemical Imaging

Characterizing and quantifying microplastics in water samples from marine environments

Analyzing Microplastics

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


全新安捷伦社区 TRS100 和 8700 LDIR 光谱用户组

安捷伦社区是一个在线客户支持和论坛空间,现新增了两个专业用户组,分别侧重于透射拉曼光谱和用于微塑料分析的 8700 LDIR。这些群组为相互交流和知识共享提供了专门的空间。

网络研讨会:微塑料分析面临的挑战 — 从常规实验室检测到突破粒径限制

快速发展的微塑料分析领域面临着许多挑战。在本次网络研讨会上,我们邀请到的两位演讲嘉宾将探讨截然不同的挑战,也是许多人正面临的挑战。第一位嘉宾是来自英国生态和水文中心的 Gbotemi Adediran 博士,他将介绍通过 LDIR 分析亚微米级(< 5 µm) 微塑料的机遇和挑战。第二位嘉宾是来自 Eurofins Environmental Testing(澳大利亚和新西兰)的 Julia Jaeger 博士,她将介绍与应用 LDIR 进行常规微塑料分析相关的进展和挑战。

LDIR 能够准确表征婴儿配方奶粉中的微塑料

微塑料在自然环境中无处不在,而考察微塑料对健康的影响正受到越来越多的关注。许多人会认为婴儿对微塑料的接触有限。然而,已发现婴儿配方奶粉是一种可能的接触途径。在最近的一篇应用简报中,利用 8700 LDIR 激光红外成像系统准确鉴定和定量婴儿配方奶粉中的微塑料。该研究还展示了质量控制在微塑料分析中的重要性。阅读应用简报。


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.

Microplastics Analysis Just Got Easier: Analysis Direct On-Filter

Microplastics are fast coming into focus as we are beginning to understand just how far these man-made products have made their way into ecosystems and food chains alike.

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.

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.

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