{"id":185,"date":"2026-04-10T15:42:24","date_gmt":"2026-04-10T15:42:24","guid":{"rendered":"https:\/\/site.uvm.edu\/alca\/?page_id=185"},"modified":"2026-07-01T13:37:15","modified_gmt":"2026-07-01T13:37:15","slug":"ftir","status":"publish","type":"page","link":"https:\/\/site.uvm.edu\/alca\/instrumentation\/ftir\/","title":{"rendered":"Fourier Transform Infrared Spectroscopy (FTIR)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The Bruker INVENIO FTIR Spectrometer provides infrared spectroscopic analysis for identification and characterization of molecular functional groups, chemical bonding environments, and material composition.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">FTIR spectroscopy measures wavelength-dependent infrared absorption arising from molecular vibrational transitions, enabling rapid qualitative and semi-quantitative analysis of a wide range of sample types including powders, films, liquids, polymers, and solid materials.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-adc57f8e wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading has-primary-uvmgreen-color has-text-color has-link-color wp-elements-2a24d65fc87da6d912a399adf2a747af\">Modes of Operation<\/h2>\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\">\n<h3 class=\"wp-block-heading\">Transmission FTIR<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Infrared light passes directly through the sample<\/li>\n\n\n\n<li>Suitable for thin films, liquids, pellets, and transparent materials<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Attenuated Total Reflectance (ATR) FTIR&nbsp;<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Surface-sensitive infrared measurements using internal reflection<\/li>\n\n\n\n<li>Minimal sample preparation required<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading has-primary-uvmgreen-color has-text-color has-link-color wp-elements-363e6dfd79223f24f8bb8a38c4b11a42\">Potential Applications<\/h2>\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\">Chemical Analysis<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Functional group identification:<\/strong> Characterization of O\u2013H, C=O, C\u2013H, N\u2013H, and other vibrational modes<\/li>\n\n\n\n<li><strong>Reaction monitoring:<\/strong>&nbsp;Tracking chemical transformations through spectral changes<\/li>\n\n\n\n<li><strong>Compound verification:<\/strong>&nbsp;Comparison against reference spectra for material identification<\/li>\n\n\n\n<li><strong>Hydrogen bonding studies:<\/strong>&nbsp;Monitoring shifts in vibrational frequencies<\/li>\n<\/ul>\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\">Material &amp; Thin Film Characterization<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Polymer characterization:<\/strong>&nbsp;Identification of polymer composition and additives<\/li>\n\n\n\n<li><strong>Thin film analysis:<\/strong>&nbsp;Functional group characterization of deposited films and coatings<\/li>\n<\/ul>\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\">Biological &amp; Biochemical Analysis<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Biomolecule characterization:<\/strong>&nbsp;Functional group analysis of proteins and biological materials<\/li>\n\n\n\n<li><strong>Pharmaceutical identification:<\/strong>&nbsp;Verification of active ingredients and excipients<\/li>\n\n\n\n<li><strong>Formulation analysis:<\/strong>&nbsp;Characterization of complex pharmaceutical mixtures<\/li>\n\n\n\n<li><strong>Solid-state studies:<\/strong>&nbsp;Analysis of crystalline and amorphous material behavior<\/li>\n<\/ul>\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\">Environmental Analysis<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Microplastics characterization:<\/strong>&nbsp;Polymer identification through infrared spectral matching<\/li>\n\n\n\n<li><strong>Organic residue analysis:<\/strong>&nbsp;Detection of oils, greases, and environmental residues<\/li>\n\n\n\n<li><strong>Environmental solids analysis:<\/strong>&nbsp;Identification of unknown materials and contaminants<\/li>\n<\/ul>\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\">\n<h2 class=\"wp-block-heading has-text-align-center has-primary-uvmgreen-color has-text-color has-link-color wp-elements-40c6bef8db56ea1bcd74dbe7c6c85429\">Sample Requirements<\/h2>\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\">Solid Samples <\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Powders, films, and solid materials should be:\n<ul class=\"wp-block-list\">\n<li>Clean<\/li>\n\n\n\n<li>Dry<\/li>\n\n\n\n<li>Representative of the material being analyzed<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Liquid Samples <\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Remember to bring extra solvent for blank<\/li>\n\n\n\n<li>Avoid Water\n<ul class=\"wp-block-list\">\n<li>Water strongly absorbs in portions of the IR region and may interfere with analysis<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center has-primary-uvmgreen-color has-text-color has-link-color wp-elements-4c85efac5d18e729f8830f671bdb74b4\">Rates<\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes is-style-stripes--1\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">Service (per hour)<\/th><th class=\"has-text-align-center\" data-align=\"center\">UVM Users<\/th><th class=\"has-text-align-center\" data-align=\"center\">External Users<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">User Instrument Time<\/td><td class=\"has-text-align-center\" data-align=\"center\">$12.71<\/td><td class=\"has-text-align-center\" data-align=\"center\">$19.07<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Staff Assisted Use<\/td><td class=\"has-text-align-center\" data-align=\"center\">$81.98<\/td><td class=\"has-text-align-center\" data-align=\"center\">$122.97<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Training Session<\/td><td class=\"has-text-align-center\" data-align=\"center\">$81.98<\/td><td class=\"has-text-align-center\" data-align=\"center\">$122.97<\/td><\/tr><\/tbody><tfoot><tr><td class=\"has-text-align-center\" data-align=\"center\">Prices as of July 1, 2026<\/td><td class=\"has-text-align-center\" data-align=\"center\">&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\">&nbsp;<\/td><\/tr><\/tfoot><\/table><\/figure>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-adc57f8e wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading has-text-align-center has-primary-uvmgreen-color has-text-color has-link-color wp-elements-fbc6f45e5064b4a755f9026bba77c833\">Training<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Interested in operating the FTIR independently?<\/strong><br>ALCA offers hands-on training covering sample preparation, measurement modes, spectral acquisition, and infrared spectral interpretation for solids, liquids, films, and polymers.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading has-text-align-center has-primary-uvmgreen-color has-text-color has-link-color wp-elements-81cf02e4f1bc8ebb8729caa940f0a538\">Analysis<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Need optical characterization support?<\/strong><br>Submit samples for full-service absorbance, transmission, reflectance, or thin-film optical analysis.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50\"><a class=\"wp-block-button__link has-white-color has-primary-uvmgreen-background-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/site.uvm.edu\/alca\/contact\/\">Schedule Training<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50\"><a class=\"wp-block-button__link has-primary-uvmgreen-background-color has-background wp-element-button\" href=\"https:\/\/uvm.ilab.agilent.com\/service_center\/show_external\/6442?name=laboratory-for-chemical-analysis\">Request Analysis on iLabs<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>The Bruker INVENIO FTIR Spectrometer provides infrared spectroscopic analysis for identification and characterization of molecular functional groups, chemical bonding environments, and material composition. FTIR spectroscopy measures wavelength-dependent infrared absorption arising from molecular vibrational transitions, enabling rapid qualitative and semi-quantitative analysis of a wide range of sample types including powders, films, liquids, polymers, and solid materials. [&hellip;]<\/p>\n","protected":false},"author":10857,"featured_media":187,"parent":20,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-185","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/site.uvm.edu\/alca\/wp-json\/wp\/v2\/pages\/185","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/site.uvm.edu\/alca\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/site.uvm.edu\/alca\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/site.uvm.edu\/alca\/wp-json\/wp\/v2\/users\/10857"}],"replies":[{"embeddable":true,"href":"https:\/\/site.uvm.edu\/alca\/wp-json\/wp\/v2\/comments?post=185"}],"version-history":[{"count":4,"href":"https:\/\/site.uvm.edu\/alca\/wp-json\/wp\/v2\/pages\/185\/revisions"}],"predecessor-version":[{"id":467,"href":"https:\/\/site.uvm.edu\/alca\/wp-json\/wp\/v2\/pages\/185\/revisions\/467"}],"up":[{"embeddable":true,"href":"https:\/\/site.uvm.edu\/alca\/wp-json\/wp\/v2\/pages\/20"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/site.uvm.edu\/alca\/wp-json\/wp\/v2\/media\/187"}],"wp:attachment":[{"href":"https:\/\/site.uvm.edu\/alca\/wp-json\/wp\/v2\/media?parent=185"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}