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Papers
61,005 resultsShowing papers similar to Comparison of two procedures for microplastics analysis in sediments based on an interlaboratory exercise
ClearA critical review of the novel analytical methods for the determination of microplastics in sand and sediment samples
This review critically assessed novel analytical methods for detecting microplastics in sand and sediment samples, comparing extraction procedures and identification techniques while highlighting the need for standardized protocols across laboratories.
Comparison of microplastic isolation and extraction procedures from marine sediments
Researchers compared five methods for extracting microplastics (40-710 μm) from marine sediments by spiking known MP quantities into sediment matrices and measuring percent recovery across extraction approaches. Results showed that sediment matrix composition, MP properties including size and polymer type, and extraction method all significantly influenced recovery efficiency, underscoring the need for standardized extraction protocols to enable cross-study comparisons.
Proposal for an initial screening method for identifying microplastics in marine sediments
Researchers developed a simplified screening protocol to identify microplastics in marine sediment samples, intended as a rapid initial method before more detailed analysis. Standardized screening protocols that are accessible to more laboratories are needed to expand global monitoring of microplastic sediment contamination.
Metodologia de extração de microplásticos associados a sedimentos de ambientes de água doce
This Brazilian study (in Portuguese) evaluated methods for extracting microplastics from aquatic sediment samples, comparing different protocols to improve analytical accuracy. Standardized extraction methods are essential for producing comparable microplastic data across different studies and regions.
Innovative reference materials for method validation in microplastic analysis including interlaboratory comparison exercises
Researchers developed innovative reference materials for validating microplastic analysis methods, presenting interlaboratory comparison results that support quality assurance and standardization in the growing field of microplastic detection.
A new analytical approach for monitoring microplastics in marine sediments
Researchers developed a new analytical approach for monitoring microplastics specifically in marine sediments, improving extraction and identification steps to enable more reliable and standardized environmental monitoring of seafloor contamination.
Comparative analysis of microplastics detection methods applied to marine sediments: A case study in the Bay of Marseille
This study compared multiple analytical methods for detecting and quantifying microplastics in marine sediment samples, evaluating extraction efficiency, polymer identification accuracy, and practical considerations for routine environmental monitoring.
Towards a Consensus Method for the Isolation of Microplastics from Freshwater Sediments
This paper works toward a consensus method for isolating microplastics from complex environmental matrices, comparing existing protocols and identifying sources of variability in recovery and detection. Standardization is identified as critical for making results comparable across studies.
A new analytical technique for the extraction and quantification of microplastics in marine sediments focused on easy implementation and repeatability
This paper describes a new analytical method for extracting and quantifying microplastics from sediment using common laboratory equipment and salt solutions, making microplastic analysis more accessible to laboratories without specialized instruments. Standardized, low-cost methods are essential for expanding the geographic and temporal coverage of microplastic monitoring.
Developmentof Standardized Methods to Extract andDigest Microplastics in Environmental Samples
Researchers reviewed and compared extraction and digestion methods for isolating microplastics from environmental samples, finding that the lack of standardization across techniques is a major barrier to producing comparable results and calling for validated universal protocols.
Microplastic identification and quantification from organic rich sediments: A validated laboratory protocol
Researchers developed and validated a laboratory protocol for extracting, quantifying, and identifying microplastics from organic-rich sediments with fine grain sizes. The study addressed the challenge of analyzing microplastics in contamination hotspots like harbors and estuaries, where high organic content makes extraction difficult, and provided a cost-effective integrated method for more reliable environmental monitoring.
Assessment of microplastic content in natural waters and sediments: sampling and sample preparation
Researchers reviewed and evaluated sampling and analytical methods for measuring microplastic content in natural waters and sediments, assessing sources of error and variability in current approaches. The review recommended a standardized protocol to improve cross-study comparability.
Method for Quantifying and Characterization of Microplastics in Sand Beaches
This paper proposes a standardized method for sampling and characterizing microplastics in beach sand to improve comparability across studies. Consistent methodology is critical because current variation in field and lab techniques makes it difficult to combine or compare data from different research groups.
Application of multi-step approach for comprehensive identification of microplastic particles in diverse sediment samples
Researchers developed a multi-step analytical approach to comprehensively identify and characterize microplastics in environmental samples, combining visual, spectroscopic, and thermal analysis. A systematic, multi-method approach is needed to capture the full diversity of microplastic types present in complex environmental matrices.
Comparision protocols for extraction of microplastics in water samples
Researchers compared four different extraction protocols for isolating microplastics from water samples and found significant differences in efficiency and accuracy across methods. Standardized extraction protocols are critical for producing comparable microplastic abundance data across studies. Without consistent methodology, it is difficult to build a reliable global picture of microplastic contamination levels in water.
New techniques for the detection of microplastics in sediments and field collected organisms
Researchers developed new techniques for detecting microplastics in sediment samples and for collecting particles in the field, improving the reliability and sensitivity of methods used to monitor environmental microplastic contamination.
A methodological approach of the current literature on microplastic contamination in terrestrial environments: Current knowledge and baseline considerations
This review of microplastic pollution in terrestrial and agricultural soils finds that a lack of standardized extraction and identification procedures makes most studies incomparable, calling for baseline contamination controls and harmonized reporting of concentrations, morphotypes, and analytical methods. The authors identify knowledge gaps for future research and provide minimum recommended procedures for field studies.
Microplastic extraction from sediments established? – A critical evaluation from a trace recovery experiment with a custom-made density separator
Scientists evaluated the accuracy of a custom density separator for extracting small microplastic particles from sediment, finding variable recovery rates across different polymer types. Standardized and validated extraction methods are essential for accurate measurements of microplastic contamination in sediment environments.
Methods for sampling, processing, identification,and quantification of microplastics in the marine environment
This paper reviews and compares the various methods used to collect, process, identify, and quantify microplastics across different environmental samples. It highlights the lack of standardized protocols as a major obstacle to comparing results across studies and calls for methodological harmonization.
Microplastic abundance and characteristics in French Atlantic coastal sediments using a new extraction method
Researchers developed a new extraction method for microplastics from coastal Atlantic sediments in France and applied it to characterize microplastic abundance and composition, finding widespread contamination and demonstrating the method's improved efficiency for recovering particles from sediment matrices.
Intra-Laboratory Calibration Exercise for Quantification of Microplastic Particles in Fine-Grained Sediment Samples: Special Focus on the Influence of User Experience
An intra-laboratory calibration study assessed how accurately different analysts quantify microplastics in marine sediment samples. Recovery rates and particle identification varied significantly between analysts, especially for small and transparent particles. The study recommends standardized training and protocols to reduce variability and improve the reliability of microplastic quantification in sediments.
Microplastic contamination in sediments: Analytical techniques and case-based evaluations
This review synthesizes advances in analytical techniques for detecting and characterizing microplastics in sediments, covering density separation, enzymatic digestion, and spectroscopic identification methods. The authors identify key challenges in cross-study comparisons due to inconsistent protocols and highlight the need for standardization.
Standardised protocol for monitoring microplastics in sediments. Deliverable 4.2.
This paper presents a standardized protocol for monitoring microplastics in marine sediments, developed as part of an international project to harmonize sampling and analysis methods across different research groups. Having consistent protocols is essential for generating comparable data to track plastic pollution trends over time and location.
Extraction of microplastics from sediment matrices: Experimental comparative analysis
Extraction efficiencies of four methods for separating microplastics from sediment matrices were experimentally compared using spiked samples, finding that density separation with saturated NaCl was adequate for most polymer types but underperformed for high-density polymers, and that no single method achieved complete recovery across all particle sizes and shapes.