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A straightforward method for the analysis of PAHs in water by high-capacity sorptive extraction and TD–GC–MS

Markes International Ltd
18 Nov 2025

Regulatory limits on polycyclic aromatic hydrocarbons (PAHs) in water present challenges requiring highly sensitive, rapid analysis. Explore available solutions using HiSorb sorptive extraction probes with Centri 90 preconcentration technology to detect PAHs at low‑parts‑per‑trillion (ppt) levels. The fully automated method ensures reproducibility, quantitative analysis up to 300 ppt, high throughput via parallel processing, and shorter gas chromatography (GC) run times with hydrogen carrier gas.

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HiSorb

Markes International Ltd

HiSorb™ is an innovative, labour-saving sampling system for the analysis of volatile and semi-volatile organic compounds (VOCs and SVOCs) in liquids and solids by TD–GC–MS.

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Centri 90

Markes International Ltd

High-throughput platform for routine, high-sensitivity analysis using high-capacity sorptive extraction (HiSorb), headspace- and SPME-based workflows

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GC-MS GC-MS (gas chromatography-mass spectrometry) instruments and equipment are used to separate, quantify and identify mixtures of small and volatile compounds, such as polycyclic aromatics, fatty acids and alcohols. Often used in drug detection, forensic investigation and environmental analysis for pesticides and contaminants, GC-MS is a powerful addition to your lab’s analytical capabilities. GC-MS/MS instruments equipped with a qTOF or triple quadrupole analyzers can give greater sensitivity and resolution to your analysis. Find the best GC-MS instruments and equipment in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Water AnalysisAnalytical methods used to test the purity of drinking water include determining the level of contaminants abides to the level set by the Environmental Protection Agency (EPA).Volatile Organic Compounds (VOCs)Volatile organic compounds (VOCs) are chemicals that have a low boiling point. Some VOCs are harmful to human health, whereas others can be used to determine the shelf-life of foods samples. PAHs

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A straightforward method for the analysis of PAHs in water by high-capacity sorptive extraction and TD–GC–M