{"id":9057,"date":"2016-05-26T12:00:45","date_gmt":"2016-05-26T12:00:45","guid":{"rendered":"http:\/\/admin.acceleratingscience.com\/materials\/?p=9057"},"modified":"2026-09-08T14:25:56","modified_gmt":"2026-09-08T19:25:56","slug":"7-reasons-ft-nir-is-the-best-method-for-analyzing-polymer-pellets","status":"publish","type":"post","link":"https:\/\/www.thermofisher.com\/blog\/materials\/7-reasons-ft-nir-is-the-best-method-for-analyzing-polymer-pellets\/","title":{"rendered":"7 Reasons FT-NIR is the Best Method for Analyzing Polymer Pellets"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" style=\"float: right;border: 0;margin: 10px\" title=\"7 reasons pellets\" src=\"http:\/\/admin.acceleratingscience.com\/materials\/wp-content\/uploads\/sites\/7\/2016\/05\/pellets7reasons-4.jpg\" alt=\"7 reasons pellets\" width=\"400\" height=\"268\" \/>With the high production rates in the polymer industry, it is essential that a quick, accurate, and easy-to-use analytical technique is available to monitor the quality of the material produced. For heterogeneous materials such as polymer pellets, a small sample may not be representative of the bulk material. Each pellet or group of pellets may have a slightly different composition than the next, so it is critical to obtain a measurement that is representative of the bulk sample rather than a small fraction of the material.<\/p>\n<p><a href=\"http:\/\/www.thermofisher.com\/us\/en\/home\/industrial\/spectroscopy-elemental-isotope-analysis\/molecular-spectroscopy\/near-infrared-nir-spectroscopy.html\" target=\"_blank\" rel=\"noopener\">Fourier Transform Near-Infrared spectroscopy (FT-NIR)<\/a> is an ideal tool for at-line or near-line quality control analysis of polymer pellets.\u00a0 NIR is a proven technology that is very useful for probing bulk material with little or no sample preparation. This spectroscopic method uses the near-infrared region of the electromagnetic spectrum, and is based on overtones and combinations of bond vibrations in molecules.\u00a0 It is a common tool used for the analysis of industrial materials because it can typically penetrate much further into a sample than FTIR, and unlike Raman, is not affected by fluorescence. Although <a href=\"http:\/\/www.thermofisher.com\/us\/en\/home\/industrial\/spectroscopy-elemental-isotope-analysis\/spectroscopy-elemental-isotope-analysis-learning-center\/molecular-spectroscopy-information\/nir-technology.html\">Near-Infrared spectroscopy<\/a> is not as chemically specific as Raman or <a href=\"http:\/\/www.thermofisher.com\/us\/en\/home\/industrial\/spectroscopy-elemental-isotope-analysis\/spectroscopy-elemental-isotope-analysis-learning-center\/molecular-spectroscopy-information\/ftir-information.html\">FTIR<\/a>, accurate results can be achieved when a representative sampling method is used.<\/p>\n<p>FT-NIR offers several advantages over traditional quality control techniques, including:<\/p>\n<ol>\n<li><span style=\"font-size: 12pt\">Availability of answers in minutes allowing faster feedback to the production personnel and improvement of process efficiency<\/span><\/li>\n<li><span style=\"font-size: 12pt\">Ability to perform analyses at-line<\/span><\/li>\n<li><span style=\"font-size: 12pt\">No sample preparation<\/span><\/li>\n<li><span style=\"font-size: 12pt\">Elimination of the need for purchase and disposal of hazardous reagents<\/span><\/li>\n<li><span style=\"font-size: 12pt\">Improved operator-to-operator reproducibility<\/span><\/li>\n<li><span style=\"font-size: 12pt\">Reduced cost of quality control testing<\/span><\/li>\n<li><span style=\"font-size: 12pt\">Non-destructive testing making the samples available for analysis by other techniques<\/span><\/li>\n<\/ol>\n<p>We conducted a study involving the determination of the concentration of an ultraviolet (UV) stabilizer additive in polystyrene pellets using a <a href=\"http:\/\/www.thermofisher.com\/order\/catalog\/product\/IQLAADGABCFADUMAAV\">FT-NIR analyzer<\/a> with a sample cup spinner and discovered these seven advantages above.\u00a0 You can read an overview of the study and its results in: <a href=\"http:\/\/admin.acceleratingscience.com\/materials\/how-can-you-get-accurate-results-when-measuring-bulk-polymer-pellets\" target=\"_blank\" rel=\"noopener\"><em>How Can You Get Accurate Results when Measuring Bulk Polymer Pellets?<\/em><\/a>\u00a0and <a href=\"http:\/\/admin.acceleratingscience.com\/materials\/how-to-get-accurate-results-when-measuring-bulk-polymer-pellets-the-experiment\" target=\"_blank\" rel=\"noopener\"><em>How To Get Accurate Results when Measuring Bulk Polymer Pellets:\u00a0 The Experiment<\/em><\/a>.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>With the high production rates in the polymer industry, it is essential that a quick, accurate, and easy-to-use analytical technique is available to monitor the quality of the material produced. For heterogeneous materials such as polymer pellets, a small sample may not be representative of the bulk material. Each pellet or group of pellets may<\/p>\n","protected":false},"author":174,"featured_media":9091,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_monsterinsights_skip_tracking":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[972,21,968],"tags":[955],"division":[],"class_list":{"0":"post-9057","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-infrared-spectroscopy","8":"category-quality-control-and-assurance-verification","9":"category-spectroscopy-spectrometry","10":"tag-polymer-plastics","11":"entry"},"_selected_authors":[1958],"_selected_reviewers":[],"acf":[],"yoast_head":"<!-- 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