{"id":7201,"date":"2026-09-01T14:06:38","date_gmt":"2026-09-01T18:06:38","guid":{"rendered":"https:\/\/www.leco.com\/news\/?p=7201"},"modified":"2026-09-01T14:06:38","modified_gmt":"2026-09-01T18:06:38","slug":"microplastic-analysis-methods-with-thermal-desorption-and-pyrolysis-gcxgc-tofms","status":"publish","type":"post","link":"https:\/\/www.leco.com\/pt\/news\/microplastic-analysis-methods-with-thermal-desorption-and-pyrolysis-gcxgc-tofms\/","title":{"rendered":"Surpassing the Limits of Traditional Microplastic Analysis Methods with Thermal Desorption and Pyrolysis GCxGC-TOFMS"},"content":{"rendered":"<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<div class=\"wp-block-group is-style-leco-vertical-margin-top has-global-padding is-layout-constrained wp-container-core-group-is-layout-875e403b wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-1ffe0ea6 wp-block-group-is-layout-flex\">\n<p class=\"wp-block-paragraph\">Publicado em<\/p>\n\n\n<div style=\"line-height:1;margin-top:12px;margin-left:6px\" class=\"wp-block-post-date has-custom-1-font-size\"><time datetime=\"2026-09-01T17:45:38.288Z\">1 setembro 2026<\/time><\/div><\/div>\n\n\n<h1 class=\"is-style-h2-style wp-block-post-title\">Surpassing the Limits of Traditional Microplastic Analysis Methods with Thermal Desorption and Pyrolysis GCxGC-TOFMS<\/h1><\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\"><figure class=\"is-style-rounded wp-block-post-featured-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1800\" height=\"600\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Image-Microplastics.png\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"tiny pieces of colored plastic meant to represent microplastics are suspended in a translucent gel\" style=\"object-fit:cover;\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Image-Microplastics.png 1800w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Image-Microplastics-300x100.png 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Image-Microplastics-1024x341.png 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Image-Microplastics-768x256.png 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Image-Microplastics-1536x512.png 1536w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Image-Microplastics-18x6.png 18w\" sizes=\"auto, (max-width: 1800px) 100vw, 1800px\"><\/figure><\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-1ea9787f wp-block-group-is-layout-constrained\" style=\"margin-top:48px\">\n<div class=\"leco-share-article align-left wp-block-create-block-leco-share-article\">\n\t<div class=\"share-article-wrapper\">\n\t\t<button class=\"share-article-button\" data-url=\"https:\/\/www.leco.com\/pt\/news\/microplastic-analysis-methods-with-thermal-desorption-and-pyrolysis-gcxgc-tofms\/\" aria-label=\"Compartilhar artigo\">\n\t\t\tCompartilhar artigo\t\t<\/button>\n\t\t<span class=\"share-article-copied\" aria-live=\"polite\" aria-atomic=\"true\">\n\t\t\tLink do artigo copiado\t\t<\/span>\n\t<\/div>\n<\/div>\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"margin-top:0\">\n<hr class=\"wp-block-separator has-text-color has-sl-1-color has-alpha-channel-opacity has-sl-1-background-color has-background has-base-100-color has-base-100-background-color is-style-default\" style=\"margin-top:60px;margin-bottom:60px\">\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-1ea9787f wp-block-group-is-layout-constrained\" style=\"margin-top:48px\">\n<p class=\"wp-block-paragraph\">Microplastics have emerged as one of the most widely discussed environmental contaminants of our time. Regardless of where we live, daily exposure to microplastics has become virtually unavoidable\u2014these tiny plastic particles are present in the air we breathe, the water we drink, and the environments we inhabit. As researchers work to better understand the sources, transport pathways, and impacts of microplastics, the demand for reliable microplastic analysis methods continues to grow. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">While techniques such as FTIR and Raman spectroscopy have become standard tools for identifying microplastics, their utility is limited for smaller particles (i.e. nanoplastics) and in complex matrices. More advanced microplastic analysis methods can provide a deeper understanding of what these particles contain and how they may change over time in the environment.<\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading is-style-default\" style=\"margin-top:var(--wp--preset--spacing--2-xl)\">The Limits of Spectroscopic Microplastic Analysis Methods<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Fourier-Transform Infrared (FTIR) and Raman spectroscopy are widely used microplastic analysis methods because they can identify polymer types by measuring how electromagnetic radiation interacts with a material. These techniques are valuable for determining whether a particle is polyethylene, polypropylene, polystyrene, or another common plastic. For many studies, this information is sufficient to confirm the presence of microplastics, especially in clean samples with sufficient microplastic density.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">However, <a href=\"https:\/\/www.leco.com\/pt\/aplicativo\/ambiental\/\">environmental samples<\/a> are rarely clean and compositionally simple. Microplastic particles can become weathered and obscured by other materials in the environment, making their accurate identification with spectroscopy difficult. Additionally, if researchers want to understand what additives, degradation products, or pollutants are associated with the plastic, particle identification alone is not enough. Thus, FTIR and Raman spectroscopy methods alone struggle to thoroughly characterize these complex chemical components, particularly in challenging environmental matrices. As questions surrounding microplastic exposure become increasingly important, researchers require analytical techniques capable of examining the chemistry of a sample in greater detail, not simply confirming the presence of the physical particle itself.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading is-style-default\" style=\"margin-top:var(--wp--preset--spacing--2-xl)\">Thermal Desorption and Pyrolysis GCxGC-TOFMS For Deeper Microplastic Analysis<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Thermal Desorption (TD) and Pyrolysis (Py) coupled with comprehensive two-dimensional gas chromatography and time-of-flight mass spectrometry (<a href=\"https:\/\/www.leco.com\/pt\/analise-central\/cg-e-cg-em\/\" data-type=\"link\" data-id=\"https:\/\/www.leco.com\/core-analysis\/gc-and-gc-ms\/\">GCxGC-TOFMS<\/a>) offer a powerful alternative for investigating nano- and microplastics in complex samples. These techniques provide complementary information about sample composition. Thermal desorption releases volatile and adsorbed compounds, including environmental contaminants, degradation products, and VOCs associated with microplastic particles. This can reveal important information about chemicals present within or on the plastic.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pyrolysis thermally deconstructs the polymeric material, breaking it into GC-amenable characteristic degradation compounds. These compounds act as chemical markers that can be used to identify the various polymers present. When analyzing complex or heavily weathered microplastics that may be difficult to characterize using traditional spectroscopic techniques, pyrolysis is particularly advantageous.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The most significant benefit comes from pairing these techniques with comprehensive two-dimensional gas chromatography. Environmental samples often contain hundreds or even thousands of compounds that coelute in 1D GC-MS, making it difficult or impossible to identify each compound. GCxGC provides significantly greater separation capability, helping analysts distinguish important polymer markers from background matrix components. This enhanced separation improves the mass spectrometer\u2019s ability to identify characteristic polymer pyrolysis products, even in highly complex environmental samples. As a result, researchers can detect and identify challenging microplastics without the extensive purification steps often required by other analytical workflows.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Another unique advantage of this approach is that thermal desorption and pyrolysis can be used in series on the same sample. Together, they create a more complete chemical profile of the sample.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading is-style-default\" style=\"margin-top:var(--wp--preset--spacing--2-xl)\">A Powerful Microplastics Analysis Workflow for Deeper Insight into the Effects on Our Environment<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">FTIR and Raman spectroscopy remain valuable tools for rapid screening and flagging samples containing microplastic particles. However, by combining thermal desorption, pyrolysis, and GCxGC-TOFMS, analysts can obtain a much more comprehensive view of plastics in their samples and their environmental implications. As environmental research continues to advance and concerns surrounding microplastic contamination grow, researchers will increasingly require information that extends beyond answering the question,\u00a0<em>\u201cWhat plastic is present?\u201d <\/em>\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ultimately, this deeper level of characterization can provide new insights into the environmental fate of microplastics and help scientists better understand their potential impacts on ecosystems and human exposure.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-1ea9787f wp-block-group-is-layout-constrained\" style=\"margin-top:48px\">\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"margin-top:0\">\n<hr class=\"wp-block-separator has-text-color has-sl-1-color has-alpha-channel-opacity has-sl-1-background-color has-background has-base-100-color has-base-100-background-color is-style-default\" style=\"margin-top:60px;margin-bottom:60px\">\n<\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-67eca248 wp-block-group-is-layout-flex\">\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\">For a more detailed look at the science and an example of this workflow in use, download our poster, <a href=\"https:\/\/www.leco.com\/pt\/documentos\/lpss-311\/\" data-type=\"link\" data-id=\"https:\/\/www.leco.com\/documents\/lpss-311\/\">An\u00e1lise Abrangente de Micropl\u00e1sticos e Seus Constituintes da Matriz Ambiental Adsorvidos Usando uma Combina\u00e7\u00e3o de Dessor\u00e7\u00e3o T\u00e9rmica e Pir\u00f3lise com GCxGC-HRTOFMS<\/a><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-left is-layout-flex wp-container-core-buttons-is-layout-b192c3d7 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-text-align-center wp-element-button\" href=\"https:\/\/www.leco.com\/pt\/documentos\/lpss-311\/\">Download the Poster<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"margin-top:0\">\n<hr class=\"wp-block-separator has-text-color has-sl-1-color has-alpha-channel-opacity has-sl-1-background-color has-background has-base-100-color has-base-100-background-color is-style-default\" style=\"margin-top:60px;margin-bottom:60px\">\n<\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading is-style-h4-style\">Instrumentos Utilizados<\/h2>\n\n\n\n<div class=\"leco-card-grid-block wp-block-create-block-leco-card-grid\">\n\t<div class=\"leco-card-grid columns-2\" role=\"list\" aria-label=\"Card grid\">\n\t\t\n\t\t\t\t\t<a href=\"https:\/\/www.leco.com\/pt\/instrumento\/gc-ms-hrt-de-alta-resolucao\/\" class=\"leco-card\" role=\"listitem\" aria-label=\"Pegasus HRT Series - Click to learn more\">\n\t\t\n\t\t\t<!-- Card Image -->\n\t\t\t<div class=\"leco-card-image\" role=\"img\" aria-label=\"LECO Pegasus GC-TOF-MS de alta resolu\u00e7\u00e3o\">\n\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/leco-pegasus-hrt-high-resolution-gc-tof-ms.webp\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/leco-pegasus-hrt-high-resolution-gc-tof-ms-1024x576.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/leco-pegasus-hrt-high-resolution-gc-tof-ms-768x432.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/leco-pegasus-hrt-high-resolution-gc-tof-ms-300x169.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/leco-pegasus-hrt-high-resolution-gc-tof-ms.webp 1280w\" sizes=\"(max-width: 768px) 100vw, (max-width: 1200px) 50vw, 371px\" alt=\"LECO Pegasus GC-TOF-MS de alta resolu\u00e7\u00e3o\" class=\"leco-card-img\" loading=\"lazy\" decoding=\"sync\">\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t<!-- Card Content -->\n\t\t\t<div class=\"leco-card-content\">\n\t\t\t\t\t\t\t\t\t<h3 class=\"leco-card-title\">\n\t\t\t\t\t\tS\u00e9rie Pegasus HRT\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t<div class=\"leco-card-bottom\">\n\t\t\t\t\t\t\t\t\t\t\t<p class=\"leco-card-description\">\n\t\t\t\t\t\t\tCG e GCxGC-TOF-MS de Alta Resolu\u00e7\u00e3o\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"leco-card-link\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t<svg class=\"leco-card-arrow\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"44\" height=\"44\" viewbox=\"0 0 44 44\" fill=\"none\" focusable=\"false\">\n\t\t\t\t\t\t\t\t<path d=\"M12.7998 22C12.7998 22.5523 13.2475 23 13.7998 23L27.3857 23L21.7998 28.5859C21.4093 28.9764 21.4093 29.6095 21.7998 30C22.1903 30.3905 22.8234 30.3905 23.2139 30L30.5068 22.7071C30.8973 22.3166 30.8973 21.6834 30.5068 21.2929L23.2139 14C22.8234 13.6095 22.1903 13.6095 21.7998 14C21.4093 14.3905 21.4093 15.0236 21.7998 15.4141L27.3857 21L13.7998 21C13.2475 21 12.7998 21.4477 12.7998 22Z\" fill=\"#78543D\"><\/path>\n\t\t\t\t\t\t\t<\/svg>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\n\t\t\t\t\t<\/a>\n\t\t\n\t\t\t<\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-7d5f9c92 wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"margin-top:0\">\n<hr class=\"wp-block-separator has-text-color has-sl-1-color has-alpha-channel-opacity has-sl-1-background-color has-background has-base-100-color has-base-100-background-color is-style-default\" style=\"margin-top:60px;margin-bottom:60px\">\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading is-style-h4-style\">Not\u00edcias relacionadas<\/h2>\n\n\n\n<div class=\"wp-block-query is-layout-flow wp-block-query-is-layout-flow\"><ul class=\"columns-3 wp-block-post-template is-layout-grid wp-container-core-post-template-is-layout-1d17308c wp-block-post-template-is-layout-grid\"><li class=\"wp-block-post post-7201 post type-post status-publish format-standard has-post-thumbnail hentry category-news tag-gcxgc tag-microplastics tag-pyrolysis tag-thermal-desorption instrument-model-hrt4d core-analysis-type-gc-mass-spectrometry application-type-environmental product-line-mass-spectrometry\">\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><figure style=\"aspect-ratio:16\/9\" class=\"wp-block-post-featured-image\"><a href=\"https:\/\/www.leco.com\/pt\/news\/microplastic-analysis-methods-with-thermal-desorption-and-pyrolysis-gcxgc-tofms\/\" target=\"_self\"><img loading=\"lazy\" decoding=\"async\" width=\"1800\" height=\"600\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Image-Microplastics.png\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Surpassing the Limits of Traditional Microplastic Analysis Methods with Thermal Desorption and Pyrolysis GCxGC-TOFMS\" style=\"width:100%;height:100%;object-fit:cover;\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Image-Microplastics.png 1800w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Image-Microplastics-300x100.png 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Image-Microplastics-1024x341.png 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Image-Microplastics-768x256.png 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Image-Microplastics-1536x512.png 1536w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Image-Microplastics-18x6.png 18w\" sizes=\"auto, (max-width: 1800px) 100vw, 1800px\"><\/a><\/figure>\n\n<h3 style=\"font-style:normal;font-weight:300\" class=\"has-link-color wp-elements-a886519ae13d3c55929ef374b8bceb2d wp-block-post-title has-text-color has-dm-8-color has-medium-font-size has-rothek-font-family\"><a href=\"https:\/\/www.leco.com\/pt\/news\/microplastic-analysis-methods-with-thermal-desorption-and-pyrolysis-gcxgc-tofms\/\" target=\"_self\">Surpassing the Limits of Traditional Microplastic Analysis Methods with Thermal Desorption and Pyrolysis GCxGC-TOFMS<\/a><\/h3>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2026-09-01T14:06:38-04:00\">1 setembro 2026<\/time><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-5701 post type-post status-publish format-standard has-post-thumbnail hentry category-news instrument-model-btx instrument-model-hrt core-analysis-type-gc-mass-spectrometry application-type-battery-analysis product-line-mass-spectrometry\">\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><figure style=\"aspect-ratio:16\/9\" class=\"wp-block-post-featured-image\"><a href=\"https:\/\/www.leco.com\/pt\/news\/battery-solvent-impurities-using-gc-ms\/\" target=\"_self\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/06\/jumper-power-cable-on-battery-terminal.webp\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Identifique com Confian\u00e7a Impurezas em Solventes de Bateria Usando T\u00e9cnicas de CG-EM\" style=\"width:100%;height:100%;object-fit:cover;\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/06\/jumper-power-cable-on-battery-terminal.webp 1280w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/06\/jumper-power-cable-on-battery-terminal-300x169.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/06\/jumper-power-cable-on-battery-terminal-1024x576.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/06\/jumper-power-cable-on-battery-terminal-768x432.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/06\/jumper-power-cable-on-battery-terminal-18x10.webp 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\"><\/a><\/figure>\n\n<h3 style=\"font-style:normal;font-weight:300\" class=\"has-link-color wp-elements-a886519ae13d3c55929ef374b8bceb2d wp-block-post-title has-text-color has-dm-8-color has-medium-font-size has-rothek-font-family\"><a href=\"https:\/\/www.leco.com\/pt\/news\/battery-solvent-impurities-using-gc-ms\/\" target=\"_self\">Identifique com Confian\u00e7a Impurezas em Solventes de Bateria Usando T\u00e9cnicas de CG-EM<\/a><\/h3>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2026-06-04T09:50:50-04:00\">4 de junho de 2026<\/time><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-3967 post type-post status-publish format-standard has-post-thumbnail hentry category-news instrument-model-57 instrument-model-58 instrument-model-btx4d instrument-model-tga801 instrument-model-tgm800 core-analysis-type-carbon core-analysis-type-gc-mass-spectrometry core-analysis-type-moisture core-analysis-type-nitrogen application-type-aroma-flavor-fragrance application-type-soil-analysis product-line-elemental-analysis product-line-mass-spectrometry product-line-thermal-analysis\">\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><figure style=\"aspect-ratio:16\/9\" class=\"wp-block-post-featured-image\"><a href=\"https:\/\/www.leco.com\/pt\/news\/chemistry-of-wine-community-tasting-event\/\" target=\"_self\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/alex-blematl-lake-michigan-college-wine-tasting.webp\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"A Qu\u00edmica do Vinho: Conectando Sabor, Ci\u00eancia e Comunidade no Sudoeste de Michigan\" style=\"width:100%;height:100%;object-fit:cover;\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/alex-blematl-lake-michigan-college-wine-tasting.webp 1280w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/alex-blematl-lake-michigan-college-wine-tasting-300x169.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/alex-blematl-lake-michigan-college-wine-tasting-1024x576.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/alex-blematl-lake-michigan-college-wine-tasting-768x432.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/alex-blematl-lake-michigan-college-wine-tasting-18x10.webp 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\"><\/a><\/figure>\n\n<h3 style=\"font-style:normal;font-weight:300\" class=\"has-link-color wp-elements-a886519ae13d3c55929ef374b8bceb2d wp-block-post-title has-text-color has-dm-8-color has-medium-font-size has-rothek-font-family\"><a href=\"https:\/\/www.leco.com\/pt\/news\/chemistry-of-wine-community-tasting-event\/\" target=\"_self\">A Qu\u00edmica do Vinho: Conectando Sabor, Ci\u00eancia e Comunidade no Sudoeste de Michigan<\/a><\/h3>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2026-04-20T13:54:48-04:00\">20 de abril de 2026<\/time><\/div><\/div>\n\n<\/li><\/ul><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Spectroscopic analysis methods confirm microplastic presence, but as questions about exposure continue to arise, a deeper level of analysis is needed.<\/p>","protected":false},"author":9,"featured_media":7229,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[122,407,408,409],"instrument-model":[95],"core-analysis-type":[27],"application-type":[32],"product-line":[11],"class_list":["post-7201","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-gcxgc","tag-microplastics","tag-pyrolysis","tag-thermal-desorption","instrument-model-hrt4d","core-analysis-type-gc-mass-spectrometry","application-type-environmental","product-line-mass-spectrometry"],"_links":{"self":[{"href":"https:\/\/www.leco.com\/pt\/wp-json\/wp\/v2\/posts\/7201","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.leco.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.leco.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.leco.com\/pt\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/www.leco.com\/pt\/wp-json\/wp\/v2\/comments?post=7201"}],"version-history":[{"count":8,"href":"https:\/\/www.leco.com\/pt\/wp-json\/wp\/v2\/posts\/7201\/revisions"}],"predecessor-version":[{"id":7228,"href":"https:\/\/www.leco.com\/pt\/wp-json\/wp\/v2\/posts\/7201\/revisions\/7228"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.leco.com\/pt\/wp-json\/wp\/v2\/media\/7229"}],"wp:attachment":[{"href":"https:\/\/www.leco.com\/pt\/wp-json\/wp\/v2\/media?parent=7201"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.leco.com\/pt\/wp-json\/wp\/v2\/categories?post=7201"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.leco.com\/pt\/wp-json\/wp\/v2\/tags?post=7201"},{"taxonomy":"instrument-model","embeddable":true,"href":"https:\/\/www.leco.com\/pt\/wp-json\/wp\/v2\/instrument-model?post=7201"},{"taxonomy":"core-analysis-type","embeddable":true,"href":"https:\/\/www.leco.com\/pt\/wp-json\/wp\/v2\/core-analysis-type?post=7201"},{"taxonomy":"application-type","embeddable":true,"href":"https:\/\/www.leco.com\/pt\/wp-json\/wp\/v2\/application-type?post=7201"},{"taxonomy":"product-line","embeddable":true,"href":"https:\/\/www.leco.com\/pt\/wp-json\/wp\/v2\/product-line?post=7201"}],"curies":[{"name":"bem-jogado","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}