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61,005 resultsShowing papers similar to Simultaneous determination of six microplastics in drinking water by pyrolysis-gas chromatography/mass spectrometry
ClearA straightforward Py-GC/MS methodology for quantification of microplastics in tap water
Researchers developed a simpler, more affordable method for detecting and measuring microplastics in tap water using pyrolysis gas chromatography-mass spectrometry without needing expensive custom databases. The method successfully identified seven common polymer types in drinking water samples, making it easier for labs to monitor microplastic contamination in the water supply.
Routine method for the analysis of microplastics in natural and drinking water by pyrolysis coupled to gas chromatography-mass spectrometry
Researchers developed a standardized method to measure microplastics in drinking water using a technique called pyrolysis gas chromatography-mass spectrometry. They tested the method on river water, reclaimed water, and tap water in Barcelona, finding microplastic concentrations ranging from 11 to 77 micrograms per liter. Reliable detection methods like this are essential for understanding how much microplastic people are actually consuming through their drinking water.
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.
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.
Identification and Quantification of Nanoplastics in Surface Water and Groundwater by Pyrolysis Gas Chromatography–Mass Spectrometry
Researchers developed a method combining ultrafiltration and pyrolysis gas chromatography-mass spectrometry to identify and quantify nanoplastics in surface water and groundwater. The study successfully detected six types of plastic polymers at the nanoscale in environmental water samples, providing much-needed quantitative data on nanoplastic pollution in real-world water sources.
Quantitative analysis of nanoplastics in environmental and potable waters by pyrolysis-gas chromatography–mass spectrometry
Scientists developed and validated a new method to detect and measure nine types of nanoplastics in drinking and environmental water at very low concentrations. They found nanoplastics in every water sample tested, with polyethylene, PET, polypropylene, and polystyrene being the most common at levels up to 1.17 micrograms per liter. This is one of the first studies to quantify nanoplastics in drinking water, confirming that people are regularly exposed through their tap water.
Targeted and non-targeted analysis of microplastics exposure using pyrolysis gas chromatography ion mobility mass spectrometry
Researchers developed a sensitive method for detecting trace levels of polystyrene, polyethylene, and PVC microplastics in drinking water using pyrolysis gas chromatography. When they tested household water samples, they found measurable levels of polyethylene and PVC, corresponding to a daily intake of approximately 392 nanograms. A second part of the study identified halogenated compounds associated with airborne microplastics, suggesting a potential link between indoor PFAS contamination and textile sources.
Detection of trace sub-micron (nano) plastics in water samples using pyrolysis-gas chromatography time of flight mass spectrometry (PY-GCToF).
Researchers evaluated pyrolysis-gas chromatography/mass spectrometry combined with thermal extraction-desorption for detecting sub-micron and nano-sized plastics in water samples, finding it could identify plastic polymers at low concentrations. The method addresses a key gap in detecting the smallest plastic particles in aqueous environments.
Standard Test Method for Identification of Polymer Type and Quantity of Microplastic Particles and Fibers in Waters with High to Low Suspended Solids Using Pyrolysis-Gas Chromatography/Mass Spectrometry
Researchers developed and standardized a pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS) test method for identifying and quantifying microplastic polymer types and quantities across waters with varying suspended solids levels. The standard addresses the growing recognition of polymeric organic compounds as contaminants in drinking water, wastewater, surface water, groundwater, and marine waters.
Standard Test Method for Identification of Polymer Type and Quantity of Microplastic Particles and Fibers in Waters with High to Low Suspended Solids Using Pyrolysis-Gas Chromatography/Mass Spectrometry
This paper describes the development of an ASTM standard test method using pyrolysis–gas chromatography/mass spectrometry (Py-GC/MS) to identify and quantify specific polymer types in microplastic particles and fibers across a wide range of water types, from drinking water to marine water. Standardizing how microplastics are measured is a critical step toward producing comparable data across studies and enabling consistent regulatory monitoring. A validated, accepted method like this helps close the large gaps in microplastic data that currently hinder risk assessment and policy-making.
Microplastics in drinking water: quantitative analysis of microplastics from source to tap by pyrolysis–gas chromatography-mass spectrometry
Researchers used pyrolysis–GC-MS to quantify microplastics by mass concentration at each stage of Amsterdam's drinking water supply—from raw surface water through two treatment plants to household tap water—providing rare mass-based data on MP fate during treatment.
[Method for Simultaneous Quantifying Five Types of Microplastics by Tubular Furnace Pyrolysis-thermal Desorption-gas Chromatography-mass Spectrometry].
Researchers developed a pyrolysis-thermal desorption-gas chromatography-mass spectrometry method capable of simultaneously quantifying five types of microplastics — PE, PP, PS, PVC, and PET — larger than 0.22 micrometers across diverse environmental matrices.
Simultaneous Determination of Six Common Microplastics by a Domestic Py-GC/MS
Researchers optimized a domestic pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS) system for simultaneously detecting six common types of microplastics without a particle size limit. The study found significant interactions between microplastic mixtures during co-pyrolysis and demonstrated that the domestic instrument performed comparably to established international systems, offering a reliable and accessible tool for microplastic analysis.
Identifying microplastic contamination in drinking water: analysis and evaluation using spectroscopic methods
Researchers developed analytical methods to identify and quantify microplastic contamination in drinking water, evaluating extraction efficiency and detection accuracy across different water types and plastic particle sizes. The study assessed health implications based on measured plastic loads in treated water.
Microplastics in the drinking water supply system: analysis of water from the source to the tap by pyrolysis-GC-MS
Researchers analyzed microplastic concentrations in raw, treated, and tap water from the Amsterdam drinking water supply system over six months using pyrolysis-GC-MS, targeting six common polymers including PE, PP, PS, PET, PVC, and PMMA. PE and PVC were frequently detected in tap water, contributing new data on MP levels throughout the full drinking water supply chain and their implications for human exposure estimation.
QuantifyingNanoplastics and Microplastics in Foodand Beverages Using Pyrolysis-Gas Chromatography–Mass Spectrometry:Challenges and Implications
Researchers evaluated pyrolysis-GC/MS for quantifying nanoplastics and microplastics in common foods and beverages, assessing sensitivity and detection limits across polymer types. The method successfully detected multiple polymer types in food samples but showed limitations for nanoplastics at very low concentrations, highlighting gaps in current dietary exposure assessment.
Implementation plan to monitor microplastics in surface and drinking water using Py-GC-MS according to Decision (EU) 2024/1441
Researchers developed and applied a monitoring method for detecting six common plastic polymers in surface water and drinking water from Barcelona's main water supply, the Llobregat River basin. Using pyrolysis-gas chromatography mass spectrometry, they detected microplastics in both river water and the city's drinking water distribution network. The study provides a practical implementation plan aligned with new EU regulations for routine microplastic monitoring in drinking water.
The power of a multi-technique approach for the reliable quantification of microplastics in water
Researchers applied a multi-technique analytical approach combining several spectroscopic and microscopic methods to improve the reliability of microplastic quantification in environmental samples. The combined approach reduced false positives and improved polymer identification accuracy compared to any single method used alone.
An optimized multi-technique based analytical platform for identification, characterization and quantification of nanoplastics in water
Researchers developed an analytical platform combining flow fractionation, light scattering, and pyrolysis-GC/MS to simultaneously identify polymer type, measure particle size distribution, and quantify nanoplastics in water samples down to 0.01 ppm, filling a key gap in nanoplastic monitoring tools.
Rapid and Sensitive Quantification of Nano- and Microplastics in Water, Sediment, and Biological Tissue by Pyrolysis-Gas Chromatography Tandem Mass Spectrometry with Dynamic Reaction Monitoring
Researchers developed a highly sensitive pyrolysis gas chromatography-triple quadrupole mass spectrometry (Py-GC-qQq-MS) method using dynamic multiple reaction monitoring to quantify 12 common plastic polymers in water, sediments, and biological tissues at nanogram levels. The method achieved quantification of nano- and microplastics across diverse matrices with high specificity, using matrix-specific sample preparation including enzymatic digestion and pressurized liquid extraction.
Enrichment of Nanoplastics in Waters Using Magnetic Solid Phase Extraction With Magnetic Biochar Adsorbents and Their Determination by Pyrolysis Gas Chromatography‐Mass Spectrometry
Researchers developed a method combining magnetic biochar with pyrolysis gas chromatography to detect and measure nanoplastics in water at very low concentrations. The magnetic biochar efficiently captured polystyrene nanoplastics from both tap and river water, achieving detection limits below 1 microgram per liter. The approach offers a practical and sensitive tool for monitoring nanoplastic contamination in drinking water sources.
Application of GCMS-pyrolysis to estimate the levels of microplastics in a drinking water supply system
Researchers developed a filtering device to test for microplastics at different stages of a Norwegian city's drinking water supply and found plastic particles present throughout the system. Raw water sources contained the highest levels, but water treatment processes reduced microplastic concentrations by 43% to 100% depending on the polymer type. Polyethylene, polyamide, and polyester were the most commonly detected plastics, highlighting that drinking water is a measurable route of human microplastic exposure.
Cloud-Point Extraction Combined with Thermal Degradation for Nanoplastic Analysis Using Pyrolysis Gas Chromatography–Mass Spectrometry
Researchers developed a cloud-point extraction method combined with pyrolysis GC-MS to detect and quantify nanoplastics in aqueous samples, achieving detection of particles smaller than those typically measurable with conventional microplastic methods. The technique addresses a critical analytical gap in understanding nanoplastic contamination in water environments.
Monitoring Poly(methyl methacrylate) and Polyvinyl Dichloride Micro/Nanoplastics in Water by Direct Solid-Phase Microextraction Coupled to Gas Chromatography–Mass Spectrometry
Researchers developed a novel method for detecting and quantifying micro- and nanoplastics in water using solid-phase microextraction coupled with gas chromatography-mass spectrometry. The technique successfully identified poly(methyl methacrylate) and polyvinyl dichloride particles at low concentrations without requiring extensive sample preparation. The study offers a simpler, more sustainable, and more sensitive approach for monitoring plastic particle contamination in aqueous environments.