{"id":5742,"date":"2026-02-13T15:17:00","date_gmt":"2026-02-13T20:17:00","guid":{"rendered":"https:\/\/dev26.lecowebtest.com\/news\/\/"},"modified":"2026-06-05T16:22:07","modified_gmt":"2026-06-05T20:22:07","slug":"valentines-day-and-analytical-chemistry","status":"publish","type":"post","link":"https:\/\/dev26.lecowebtest.com\/pt\/news\/valentines-day-and-analytical-chemistry\/","title":{"rendered":"We\u2019re Bringing Analytical Chemistry to the Table This Valentine\u2019s Day"},"content":{"rendered":"<div class=\"wp-block-group is-style-leco-vertical-margin-top has-global-padding is-layout-constrained wp-container-core-group-is-layout-b14d23ba wp-block-group-is-layout-constrained\" style=\"margin-top:0\">\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-c0d5ccf6 wp-block-group-is-layout-flex\">\n<p>Published on<\/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=\"2026-05-28T12:55:59.646Z\">28 maio 2026<\/time><\/div><\/div>\n\n\n<h2 class=\"is-style-h2-style wp-block-post-title\">We\u2019re Bringing Analytical Chemistry to the Table This Valentine\u2019s Day<\/h2><\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<figure class=\"wp-block-image size-large is-style-rounded-full-width\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/Web-Blog-Image-Valentines-Day-1024x512.png\" alt=\"LECO Valentine's Day Table\" class=\"wp-image-5743\" srcset=\"https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/Web-Blog-Image-Valentines-Day-1024x512.png 1024w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/Web-Blog-Image-Valentines-Day-300x150.png 300w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/Web-Blog-Image-Valentines-Day-768x384.png 768w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/Web-Blog-Image-Valentines-Day-18x9.png 18w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/Web-Blog-Image-Valentines-Day.png 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-c631bffc 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:\/\/dev26.lecowebtest.com\/pt\/news\/valentines-day-and-analytical-chemistry\/\" aria-label=\"Share Article\">\n\t\t\tShare Article\t\t<\/button>\n\t\t<span class=\"share-article-copied\" aria-live=\"polite\" aria-atomic=\"true\">\n\t\t\tArticle Link Copied\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-c631bffc wp-block-group-is-layout-constrained\" style=\"margin-top:48px\">\n<p>Roses, wine, chocolates, perfume, makeup, cheese, bread\u2014the Valentine\u2019s table pictured below is full of sensory highlights.\u00a0It\u2019s also full of chemistry: complex aroma profiles, authenticity questions, and the occasional need to screen for unwanted compounds. With the right analytical workflows, these everyday items can reveal clear, actionable data.<\/p>\n\n\n\n<p>We hope you enjoy our Valentine\u2019s menu, full of real-world examples that LECO instruments have analyzed:<\/p>\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 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-h2-style\">Chocolates &amp; Chocolate Liqueurs<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Why the Aroma is so Complex (And How to Measure It)<\/h3>\n\n\n\n<p>Chocolate is one of the most chemistry-rich treats on the table. Its aroma depends on cocoa origin and processing steps such as fermentation and roasting\u2014all of which shape the volatile profile your tastebuds perceive as \u201cnutty,\u201d \u201croasted,\u201d \u201cfruity,\u201d \u201cfloral,\u201d or \u201cspicy.\u201d<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">The Analytical Challenge: Coelution<\/h3>\n\n\n\n<p>Cocoa\u2019s volatile fraction can span hundreds of compounds across many chemical classes and a wide concentration range. That complexity increases the likelihood of coelution in one-dimensional GC, where important contributors may be hidden. The goal is not simply more peaks, but better separation and confident identification of the compounds that drive sensory perception.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">A LECO Workflow for Cocoa and Chocolate Using GCxGC<\/h3>\n\n\n\n<p>In our application note, \u201c<a href=\"https:\/\/dev26.lecowebtest.com\/pt\/documents\/203-821-718\/\" data-type=\"document\" data-id=\"1855\">Comparing Cocoa with Pegasus BTX 4D &amp; Sync 2D<\/a>\u201c,\u00a0cocoa liqueur samples from different geographic origins are characterized using comprehensive two-dimensional gas chromatography coupled with time-of-flight mass spectrometry (GCxGC-TOFMS). Two sampling approaches are compared\u2014static headspace (SHS) and headspace solid phase microextraction (HS-SPME)\u2014to evaluate extraction efficiency and the resulting volatile fingerprints.<\/p>\n\n\n\n<p>The workflow combines HS-SPME with GCxGC-TOFMS to separate and detect cocoa volatiles, then uses LECO\u2019s advanced software system,\u00a0<a href=\"https:\/\/dev26.lecowebtest.com\/pt\/instrument\/chromatof-sync-data-alignment\/\" data-type=\"instrument\" data-id=\"2711\">ChromaTOF Sync 2D<\/a>, for data processing and alignment\u2014enabling streamlined comparison across multiple samples (alignment, library searching, and multivariate\/statistical comparison).<\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<h4 class=\"wp-block-heading\">Instruments and Tools Used for Success<\/h4>\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-3\" role=\"list\" aria-label=\"Card grid\">\n\t\t\n\t\t\t\t\t<a href=\"https:\/\/dev26.lecowebtest.com\/pt\/instrument\/benchtop-gc-tofms\/\" class=\"leco-card\" role=\"listitem\" aria-label=\"Pegasus BTX 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 BTX GC-MS system with autoloader\">\n\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/03\/leco-btx-gc-ms-with-autoloader.webp\" srcset=\"https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/03\/leco-btx-gc-ms-with-autoloader-1024x576.webp 1024w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/03\/leco-btx-gc-ms-with-autoloader-768x432.webp 768w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/03\/leco-btx-gc-ms-with-autoloader-300x169.webp 300w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/03\/leco-btx-gc-ms-with-autoloader.webp 1280w\" sizes=\"(max-width: 768px) 100vw, (max-width: 1200px) 50vw, 371px\" alt=\"LECO Pegasus BTX GC-MS system with autoloader\" 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\tPegasus BTX Series\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\tHigh-sensitivity Time-of-Flight Mass Spectrometer\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\n\t\t\t\t\t<a href=\"https:\/\/dev26.lecowebtest.com\/pt\/instrument\/gcxgc-modulation-solutions\/\" class=\"leco-card\" role=\"listitem\" aria-label=\"GCxGC Modulation Solutions - 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 QuadJet SD GCMS with FID\">\n\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/01\/leco-quadjet-entire-system.webp\" srcset=\"https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/01\/leco-quadjet-entire-system-1024x576.webp 1024w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/01\/leco-quadjet-entire-system-768x432.webp 768w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/01\/leco-quadjet-entire-system-300x169.webp 300w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/01\/leco-quadjet-entire-system.webp 1280w\" sizes=\"(max-width: 768px) 100vw, (max-width: 1200px) 50vw, 371px\" alt=\"LECO QuadJet SD GCMS with FID\" 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\tGCxGC Modulation Solutions\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\tFlow Modulation Solutions for Enhanced GCxGC Analysis\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\n\t\t\t\t\t<a href=\"https:\/\/dev26.lecowebtest.com\/pt\/instrument\/chromatof-sync-data-alignment\/\" class=\"leco-card\" role=\"listitem\" aria-label=\"ChromaTOF Sync - 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 ChromaTOF Sync software logo\">\n\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/leco-chromatof-sync-logo.webp\" srcset=\"https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/leco-chromatof-sync-logo-1024x576.webp 1024w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/leco-chromatof-sync-logo-768x432.webp 768w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/leco-chromatof-sync-logo-300x169.webp 300w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/leco-chromatof-sync-logo.webp 1280w\" sizes=\"(max-width: 768px) 100vw, (max-width: 1200px) 50vw, 371px\" alt=\"LECO ChromaTOF Sync software logo\" 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\tChromaTOF Sync\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\tData Alignment and Comparison Software\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\n\n\n<p><\/p>\n\n\n\n<p>With a richer, better-separated volatile fingerprint, you can differentiate origins or lots, track processing impacts, and build comparative profiles that support research and development (R&amp;D) and quality control (QC) whether you\u2019re evaluating chocolate, cocoa ingredients, or chocolate-flavoured liqueurs.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-style-rounded-full-width\"><img loading=\"lazy\" decoding=\"async\" width=\"576\" height=\"182\" src=\"https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/gcxgc-contour-plot-ecuador-cocoa-liquor.webp\" alt=\"GCxGC-contour plot comparing cocoa liquor data obtained by different sample extraction methods\" class=\"wp-image-5744\" srcset=\"https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/gcxgc-contour-plot-ecuador-cocoa-liquor.webp 576w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/gcxgc-contour-plot-ecuador-cocoa-liquor-300x95.webp 300w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/gcxgc-contour-plot-ecuador-cocoa-liquor-18x6.webp 18w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><figcaption class=\"wp-element-caption\">Figure 1. GCxGC-contour plots obtained from SHS (left) and HS-SPME (right) on the cocoa liquor sample from Ecuador. The same color scale was applied for both chromatograms. The zoomed-in area displays the XIC 104.02 visualizing the detection of Methional only with SPME.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full is-style-rounded-full-width\"><img loading=\"lazy\" decoding=\"async\" width=\"602\" height=\"405\" src=\"https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/gcxgc-peak-identification-table-ecuador-cocoa-liquor.webp\" alt=\"GCxGC data table using color heatmap to identify cocoa aroma compound concentrations\" class=\"wp-image-5745\" srcset=\"https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/gcxgc-peak-identification-table-ecuador-cocoa-liquor.webp 602w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/gcxgc-peak-identification-table-ecuador-cocoa-liquor-300x202.webp 300w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/gcxgc-peak-identification-table-ecuador-cocoa-liquor-18x12.webp 18w\" sizes=\"auto, (max-width: 602px) 100vw, 602px\" \/><figcaption class=\"wp-element-caption\">Figure 2. Peak identification metric ART (aligned results table) including similarity score, RI information, and relative trends via a heat map where the color scale indicates the relative concentration for representative analytes from selected cocoa-aroma relevant compounds.<\/figcaption><\/figure>\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 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-h2-style\">LECO Brings More to the Table<\/h2>\n\n\n\n<p>While chocolate is no doubt typically the star of the show, our Valentine\u2019s table also features some common Valentine\u2019s gifts and items centered around the holiday. Valentine\u2019s Day is all about the senses\u2014the aroma of freshly cut roses, the first sip of wine, the richness of chocolate, and the familiar signature of a favourite fragrance. But behind every \u201cromantic\u201d moment is a chemical fingerprint: volatile compounds that define aroma and flavour, trace contaminants that can spoil quality, and compositional patterns that help confirm authenticity and consistency.<\/p>\n\n\n\n<p>That\u2019s why this Valentine\u2019s table makes such a fun (and surprisingly real) analytical showcase. Using LECO workflows, laboratories can profile aromas, detect trace off-notes, verify authenticity, and support quality and compliance across food, beverages, and consumer products. Each example below links to a relevant application note, so you can dive deeper into the methods and results.<\/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<h3 class=\"wp-block-heading is-style-default\">Freshly Cut Roses\u2014Profiling the Aroma<\/h3>\n\n\n\n<p>Capture a floral volatile fingerprint for nontargeted screening and comparative profiling (e.g., variety, freshness, storage, or processing impacts).<\/p>\n\n\n\n<p>Explore our <a href=\"https:\/\/dev26.lecowebtest.com\/pt\/applications\/flavor-aroma\/aroma-flavor-fragrance-analysis\/\" data-type=\"application\" data-id=\"60\">Aroma and Flavour Resource Hub<\/a><\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<hr class=\"wp-block-separator has-text-color has-sl-1-color has-alpha-channel-opacity has-sl-1-background-color has-background\" style=\"margin-top:0px;margin-bottom:0px\">\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\">\n<h3 class=\"wp-block-heading is-style-default\">Wine\u2014Screening for Cork Taint<\/h3>\n\n\n\n<p>Detect cork taint markers\u2014such as TCA\u2014at trace levels using HS-SPME + GC-TOFMS, helping protect sensory quality and reduce costly product complaints.<\/p>\n\n\n\n<p>Read the application note, <a href=\"https:\/\/dev26.lecowebtest.com\/pt\/documents\/203-821-517\/\" data-type=\"document\" data-id=\"926\">Quantifying Cork Taint in Wine using GC-TOFMS<\/a><\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<hr class=\"wp-block-separator has-text-color has-sl-1-color has-alpha-channel-opacity has-sl-1-background-color has-background\" style=\"margin-top:0px;margin-bottom:0px\">\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\">\n<h3 class=\"wp-block-heading is-style-default\">Perfume\u2014Authenticity Profiling<\/h3>\n\n\n\n<p>Differentiate brand vs. imitation by comparing full compositional profiles with GCxGC-TOFMS and visual pattern-comparison tools, supporting authenticity and brand protection.<\/p>\n\n\n\n<p>Read the application note, <a href=\"https:\/\/dev26.lecowebtest.com\/pt\/documents\/203-821-683\/\" data-type=\"document\" data-id=\"1088\">Differentiating Original-brand and Imitation Perfumes<\/a><\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<hr class=\"wp-block-separator has-text-color has-sl-1-color has-alpha-channel-opacity has-sl-1-background-color has-background\" style=\"margin-top:0px;margin-bottom:0px\">\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\">\n<h3 class=\"wp-block-heading is-style-default\">Makeup\u2014Fragrance Allergens &amp; MOSH\/MOAH<\/h3>\n\n\n\n<p>Identify fragrance allergens in cosmetics with GCxGC-TOFMS and support MOSH\/MOAH screening approaches for lipstick matrices, helping labs meet safety and compliance expectations.<\/p>\n\n\n\n<p>Read the application note, <a href=\"https:\/\/dev26.lecowebtest.com\/pt\/documents\/203-821-707\/\" data-type=\"document\" data-id=\"1112\">GCxGC Workflow for Flavor Allergen Compliance<\/a><\/p>\n\n\n\n<p>Read the application note, <a href=\"https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/documents\/brochures\/203-821-645-BT4D-mineral-oil-analysis.pdf\" data-type=\"attachment\" data-id=\"1273\">Trust Your Results: Mineral Oil Analysis Workflow<\/a><\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<hr class=\"wp-block-separator has-text-color has-sl-1-color has-alpha-channel-opacity has-sl-1-background-color has-background\" style=\"margin-top:0px;margin-bottom:0px\">\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\">\n<h3 class=\"wp-block-heading is-style-default\">Whiskey\u2014Aroma Profiling<\/h3>\n\n\n\n<p>Characterize and compare volatile signatures with SPME-GCxGC-TOFMS to support product differentiation, batch consistency, and maturation\/aging studies.<\/p>\n\n\n\n<p>Read the application note, <a href=\"https:\/\/dev26.lecowebtest.com\/pt\/documents\/203-821-661\/\" data-type=\"document\" data-id=\"1069\">Whiskey Aroma Profiling with GC-TOFMS &amp; Sync<\/a><\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<hr class=\"wp-block-separator has-text-color has-sl-1-color has-alpha-channel-opacity has-sl-1-background-color has-background\" style=\"margin-top:0px;margin-bottom:0px\">\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\">\n<h3 class=\"wp-block-heading is-style-default\">Baked Camembert\u2014Cheese Protein &amp; MOSH\/MOAH<\/h3>\n\n\n\n<p>Characterize and compare volatile signatures with SPME-GCxGC-TOFMS to support product differentiation, batch consistency, and maturation\/aging studies.<\/p>\n\n\n\n<p>Read the application note, <a href=\"https:\/\/dev26.lecowebtest.com\/pt\/documents\/203-821-674\/\" data-type=\"document\" data-id=\"1081\">Determining Nitrogen\/Protein in Cheese with FP828<\/a><\/p>\n\n\n\n<p>Read the application note, <a href=\"https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/documents\/brochures\/203-821-645-BT4D-mineral-oil-analysis.pdf\" data-type=\"attachment\" data-id=\"1273\">Trust Your Results: Mineral Oil Analysis Workflow<\/a><\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<hr class=\"wp-block-separator has-text-color has-sl-1-color has-alpha-channel-opacity has-sl-1-background-color has-background\" style=\"margin-top:0px;margin-bottom:0px\">\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\">\n<h3 class=\"wp-block-heading is-style-default\">Crusty Bread\u2014Flour Quality &amp; Consistency<\/h3>\n\n\n\n<p>Support flour quality specifications with combustion Nitrogen\/protein analysis to monitor protein consistency and baking performance.<\/p>\n\n\n\n<p>Read the application note, <a href=\"https:\/\/dev26.lecowebtest.com\/pt\/documents\/203-821-562\/\" data-type=\"document\" data-id=\"970\">Protein Determination in Flour using LECO FP828<\/a><\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<hr class=\"wp-block-separator has-text-color has-sl-1-color has-alpha-channel-opacity has-sl-1-background-color has-background\" style=\"margin-top:0px;margin-bottom:0px\">\n<\/div>\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-c631bffc 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\">\n<h2 class=\"wp-block-heading is-style-h2-style\">From LECO, with love<\/h2>\n\n\n\n<p>As you can see, from the first pop of a cork to the last bite of chocolate, Valentine\u2019s Day is full of chemistry worth exploring, and LECO has the right tools to do just that. Whether you\u2019re profiling aroma, confirming authenticity, or screening for contaminants, our solutions provide labs with high-resolution separation, confident identifications, and actionable results across a wide range of industries and applications.<\/p>\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-container-core-group-is-layout-182edfea wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading is-style-h4-style\">Instruments Used<\/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:\/\/dev26.lecowebtest.com\/pt\/instrument\/benchtop-gc-tofms\/\" class=\"leco-card\" role=\"listitem\" aria-label=\"Pegasus BTX 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 BTX GC-MS system with autoloader\">\n\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/03\/leco-btx-gc-ms-with-autoloader.webp\" srcset=\"https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/03\/leco-btx-gc-ms-with-autoloader-1024x576.webp 1024w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/03\/leco-btx-gc-ms-with-autoloader-768x432.webp 768w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/03\/leco-btx-gc-ms-with-autoloader-300x169.webp 300w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/03\/leco-btx-gc-ms-with-autoloader.webp 1280w\" sizes=\"(max-width: 768px) 100vw, (max-width: 1200px) 50vw, 371px\" alt=\"LECO Pegasus BTX GC-MS system with autoloader\" 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\tPegasus BTX Series\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\tHigh-sensitivity Time-of-Flight Mass Spectrometer\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\n\t\t\t\t\t<a href=\"https:\/\/dev26.lecowebtest.com\/pt\/instrument\/chromatof-tile-gcxgc-analysis\/\" class=\"leco-card\" role=\"listitem\" aria-label=\"ChromaTOF Tile - 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 ChromaTOF Tile software logo\">\n\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/leco-chromatof-tile-logo.webp\" srcset=\"https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/leco-chromatof-tile-logo-1024x576.webp 1024w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/leco-chromatof-tile-logo-768x432.webp 768w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/leco-chromatof-tile-logo-300x169.webp 300w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/leco-chromatof-tile-logo.webp 1280w\" sizes=\"(max-width: 768px) 100vw, (max-width: 1200px) 50vw, 371px\" alt=\"LECO ChromaTOF Tile software logo\" 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\tChromaTOF Tile\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\tVisually compare GCxGC datasets\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\n\t\t\t\t\t<a href=\"https:\/\/dev26.lecowebtest.com\/pt\/instrument\/chromatof-sync-data-alignment\/\" class=\"leco-card\" role=\"listitem\" aria-label=\"ChromaTOF Sync - 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 ChromaTOF Sync software logo\">\n\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/leco-chromatof-sync-logo.webp\" srcset=\"https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/leco-chromatof-sync-logo-1024x576.webp 1024w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/leco-chromatof-sync-logo-768x432.webp 768w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/leco-chromatof-sync-logo-300x169.webp 300w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/06\/leco-chromatof-sync-logo.webp 1280w\" sizes=\"(max-width: 768px) 100vw, (max-width: 1200px) 50vw, 371px\" alt=\"LECO ChromaTOF Sync software logo\" 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\tChromaTOF Sync\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\tData Alignment and Comparison Software\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\n\t\t\t\t\t<a href=\"https:\/\/dev26.lecowebtest.com\/pt\/instrument\/organic-elemental-analyzers\/\" class=\"leco-card\" role=\"listitem\" aria-label=\"828\/928 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 CHN928 Carbon, Hydrogen, Nitrogen Determination\">\n\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/03\/leco-chn928-carbon-hydrogen-nitrogen-determination.webp\" srcset=\"https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/03\/leco-chn928-carbon-hydrogen-nitrogen-determination-1024x576.webp 1024w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/03\/leco-chn928-carbon-hydrogen-nitrogen-determination-768x432.webp 768w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/03\/leco-chn928-carbon-hydrogen-nitrogen-determination-300x169.webp 300w, https:\/\/dev26.lecowebtest.com\/wp-content\/uploads\/2026\/03\/leco-chn928-carbon-hydrogen-nitrogen-determination.webp 1280w\" sizes=\"(max-width: 768px) 100vw, (max-width: 1200px) 50vw, 371px\" alt=\"LECO CHN928 Carbon, Hydrogen, Nitrogen Determination\" 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\t828\/928 Series\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\tCarbon, Hydrogen, Nitrogen, Sulfur &amp; Protein Analysis of Organic Materials\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>","protected":false},"excerpt":{"rendered":"<p>A chemistry-inspired look at romance, aroma, authenticity, and quality powered by LECO 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