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Papers
61,005 resultsShowing papers similar to Microplastics Identification by Pyrolysis Gas Chromatography Mass Spectrometry (py-GCMS)
ClearOptimization, performance, and application of a pyrolysis-GC/MS method for the identification of microplastics
Researchers optimized a pyrolysis-GC/MS method for identifying and quantifying microplastics in environmental samples, improving the reliability of polymer identification especially for small particles that are difficult to classify visually. The improved method is particularly valuable for analyzing the smallest microplastic size fractions that dominate by number in marine environments.
Quantification of microplastic targets in environmental matrices using pyrolysis-gas chromatography-mass spectrometry
This study developed and validated a pyrolysis-gas chromatography-mass spectrometry protocol for quantifying common microplastic polymer types in complex environmental matrices, providing a reliable thermal analysis method for assessing microplastic pollution.
Microplastics analysis in environmental samples – recent pyrolysis-gas chromatography-mass spectrometry method improvements to increase the reliability of mass-related data
This study improved pyrolysis-gas chromatography-mass spectrometry (Py-GC-MS) methods for measuring mass-related microplastic data in environmental samples, enhancing reliability and sensitivity for trace-level analysis. Better analytical methods are essential for accurately quantifying microplastic contamination across diverse environmental matrices.
Development of an analytical method for the analysis of microplastics by Pyrolysis-GC/MS : application on Seine River sediments
Researchers developed and validated an analytical method using pyrolysis coupled with gas chromatography-mass spectrometry (Py-GC/MS) for quantifying microplastics in complex environmental matrices, applying it to Seine River sediment samples rich in mineral and organic matter. They found that Py-GC/MS effectively determined mass concentrations of target polymers and proved complementary to micro-FTIR, though interfering compounds from organic-rich matrices required careful method optimization.
Identification of Plastics in Mixtures and Blends through Pyrolysis-Gas Chromatography/Mass Spectrometry
Pyrolysis-gas chromatography/mass spectrometry (py-GC/MS) can reliably identify and quantify multiple plastic types in complex mixtures — even at low concentrations — where conventional methods like FTIR and Raman spectroscopy struggle. The technique correctly identified all five tested polymers in 15 different mixture combinations and produced linear quantitative results. This analytical advance is directly relevant to identifying the polymer composition of environmental microplastic samples with greater accuracy.
Analysis of Microplastics in Environmental Waters by Pyrolysis-GC/MS
This chapter reviewed pyrolysis-GC/MS as an analytical method for detecting and quantifying microplastics in environmental water samples including wastewater, rivers, and seawater. Unlike size-limited optical methods, Py-GC/MS can analyze particles of any size and directly identify polymer types, making it a promising high-throughput tool.
An overview of microplastics characterization by thermal analysis
This review explores the potential of thermal analytical techniques - including thermogravimetry and pyrolysis-GC/MS - for identifying and characterizing microplastics in environmental samples, covering both manufactured primary microplastics and degradation-derived secondary ones. Thermal methods offer advantages for bulk quantification and polymer identification that complement spectroscopic approaches.
Analysis of microplastics in the environment: Identification and quantification of trace levels of common types of plastic polymers using pyrolysis-GC/MS
Researchers developed analytical methods using pyrolysis coupled with gas chromatography-mass spectrometry for identifying and quantifying 12 common plastic polymers in environmental samples. The validated method achieved detection limits as low as 0.1 micrograms and was successfully applied to analyze microplastics collected from three Mediterranean beaches in northeastern Spain.
Mass Spectrometry as an Analytical Tool for Detection of Microplastics in the Environment
This review evaluates mass spectrometry techniques for detecting microplastics in the environment, covering GC-MS, LC-MS, MALDI-MS, and pyrolysis-based methods while comparing their capabilities for polymer identification, quantification, and size characterization.
Latest Trends in Pyrolysis Gas Chromatography for Analytical and Applied Pyrolysis of Plastics
Researchers review advances in pyrolysis-gas chromatography (Py-GC), a technique that thermally breaks down polymers for rapid chemical analysis, covering its applications in identifying microplastics in environmental samples, characterizing polymer microstructure, and screening conditions for converting plastic waste back into chemical feedstocks.
Simultaneous Trace Identification and Quantification of Common Types of Microplastics in Environmental Samples by Pyrolysis-Gas Chromatography–Mass Spectrometry
Researchers developed a method for simultaneous trace identification and quantification of common microplastic types in environmental samples, improving detection efficiency and enabling more accurate monitoring of multiple plastic polymers at once.
Analysis of polyethylene microplastics in environmental samples, using a thermal decomposition method
Researchers developed a thermal analysis method using pyrolysis-GC/MS to identify and quantify polyethylene microplastics in environmental samples without relying on visual sorting or density separation. The approach provides a more objective and automatable way to measure microplastic mass in complex environmental matrices.
Microplastics in the environment: Sampling, pretreatment, analysis and occurrence based on current and newly-exploited chromatographic approaches
This review comprehensively examined sampling, pretreatment, and chromatographic analysis methods for microplastics in environmental matrices, evaluating conventional and newly developed approaches and identifying liquid chromatography and pyrolysis-GC/MS as the most promising platforms for chemical characterization of complex microplastic mixtures.
Microwave-Assisted Extraction for Quantification of Microplastics Using Pyrolysis–Gas Chromatography/Mass Spectrometry
Researchers developed a microwave-assisted extraction method combined with pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS) for quantifying microplastics in environmental matrices, improving extraction efficiency and analytical accuracy.
Determination of Polystyrene Microplastic in Soil by Pyrolysis – Gas Chromatography – Mass Spectrometry (pyr-GC-MS)
This study developed and validated a pyrolysis-gas chromatography-mass spectrometry (Pyr-GC-MS) method for quantifying polystyrene microplastics in soil samples. The technique offers a sensitive analytical approach for detecting plastic contamination in terrestrial environments.
Quantification of Microplastics by Pyrolysis Coupled with Gas Chromatography and Mass Spectrometry in Sediments: Challenges and Implications
Researchers identified challenges in quantifying microplastics by pyrolysis-GC/MS in sediment samples, finding that incomplete matrix removal during purification can generate interfering pyrolysis products that lead to overestimation of microplastic concentrations.
Quantification of microplastics in environmental samples via pressurized liquid extraction and pyrolysis-gas chromatography
Researchers combined pressurized liquid extraction with pyrolysis-gas chromatography to quantify microplastics in environmental samples, validating the method against reference materials and real-world samples. The approach offers a quantitative, polymer-specific measurement of bulk microplastic mass in sediments and soils, complementing particle-counting methods.
Promising techniques and open challenges for microplastic identification and quantification in environmental matrices
This review assessed current and emerging techniques for microplastic identification and quantification in environmental matrices, highlighting advantages and limitations of methods including FTIR, Raman spectroscopy, and pyrolysis-GC/MS.
A practical method for mass quantification of microplastics in soil media using pyrolysis gas chromatography-mass spectrometry
Researchers developed and validated a pyrolysis gas chromatography-mass spectrometry (Py-GC/MS) method for quantifying polyethylene, polypropylene, and polystyrene microplastics in soil, achieving low detection limits (0.02-0.44 microgram), strong linearity, and recovery rates of 86-100% across three soil types. Cryomilling improved homogeneity and accuracy by 3.2%, and FTIR confirmed polymer identities with over 85% spectral match.
Previous successes and untapped potential of pyrolysis–GC/MS for the analysis of plastic pollution
This review highlights the potential of pyrolysis combined with gas chromatography and mass spectrometry as a powerful tool for analyzing plastic pollution. Unlike traditional spectroscopy methods, this technique can determine the mass and chemical composition of microplastics, including additives, which is important for understanding health risks. The authors argue this method is underutilized and could significantly advance microplastic research, particularly for very small particles that are difficult to analyze with other approaches.
Pyr-GC-Orbitrap-MS method for the target/untargeted analysis of microplastics in air
Researchers developed a pyrolysis-gas chromatography method coupled with Orbitrap mass spectrometry for detecting microplastics in air samples. The technique was optimized for ten common plastic polymers and achieved detection limits in the low microgram range. The study demonstrates that this analytical approach can identify both known and unknown plastic polymers in airborne particulate matter.
Identification of Microplastics in Drinking Water Using Pyrolysis-GC/MS
Researchers used pyrolysis-GC/MS to identify and quantify microplastics by polymer mass (rather than particle count) in drinking water samples. The method detected multiple polymer types and provided mass-based metrics that are more toxicologically relevant than particle counts commonly reported in water quality studies.
Determination of the microplastic content in Mediterranean benthic macrofauna by pyrolysis-gas chromatography-tandem mass spectrometry
Researchers developed an analytical method combining pyrolysis with gas chromatography-tandem mass spectrometry (Py-GC-MS/MS) for quantifying six common plastic polymers in Mediterranean benthic macrofauna with minimal sample preparation. The method achieved lower detection limits than conventional Py-GC/MS for six polymers including polyethylene and polypropylene, enabling more sensitive monitoring of MP contamination in seafloor organisms.
Pyr-GC/MS analysis of microplastics extracted from the stomach content of benthivore fish from the Texas Gulf Coast
Researchers applied pyrolysis-GC/MS to identify polymer types in microplastics extracted from the stomachs of benthivore fish from the Texas Gulf Coast, demonstrating the method's applicability for polymer characterization in biological samples where traditional spectroscopic methods face matrix interferences.