{"id":11389,"date":"2019-07-09T12:01:05","date_gmt":"2019-07-09T12:01:05","guid":{"rendered":"https:\/\/www.thermofisher.com\/blog\/mining\/?p=11389"},"modified":"2026-02-09T19:20:48","modified_gmt":"2026-02-09T19:20:48","slug":"which-pgnaa-pftna-online-analyzer-should-be-used-in-mining","status":"publish","type":"post","link":"https:\/\/www.thermofisher.com\/blog\/mining\/which-pgnaa-pftna-online-analyzer-should-be-used-in-mining\/","title":{"rendered":"Which PGNAA \/ PFTNA Online Analyzer Should Be Used in Mining?"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" style=\"float: right;border: 0;margin: 10px\" title=\"Which PGNAA \/ PFTNA Online Analyzer Should Be Used in Mining?\" src=\"https:\/\/www.thermofisher.com\/blog\/wp-content\/uploads\/sites\/3\/2019\/07\/1528126661435_pgnaapage-1.jpg\" alt=\"Which PGNAA \/ PFTNA Online Analyzer Should Be Used in Mining?\" width=\"450\" height=\"325\" \/>Online analysis systems are utilized to determine the elemental composition of bulk raw materials.\u00a0 These analyzers are used in various applications including <a href=\"http:\/\/bit.ly\/2J3F4WG\" target=\"_blank\" rel=\"noopener noreferrer\">cement<\/a>, <a href=\"http:\/\/bit.ly\/2Yr0eTW\" target=\"_blank\" rel=\"noopener noreferrer\">coal,<\/a> and <a href=\"http:\/\/bit.ly\/2LxX11d\" target=\"_blank\" rel=\"noopener noreferrer\">sintering<\/a> applications as well as other bulk materials such as copper, iron ore, phosphates, etc. to help ensure consistent material quality and process optimization. However, there are different considerations when selecting an analyzer depending on the application.<\/p>\n<p>There are two source options, prompt gamma neutron activation analysis (PGNAA) and pulsed fast thermal neutron activation (PFTNA).\u00a0 Prompt gamma neutron activation analysis (PGNAA) and pulsed fast thermal neutron activation (PFTNA) are non-contact, non-destructive analytical techniques used in online analysis systems to determine the elemental composition of bulk raw materials. Both of these techniques are known collectively as neutron activation analysis and function by bombarding materials with neutrons. The neutrons interact with elements in the materials, which then emit secondary, prompt gamma rays that can be measured. Similar to\u00a0<a href=\"http:\/\/www.thermofisher.com\/us\/en\/home\/industrial\/spectroscopy-elemental-isotope-analysis\/spectroscopy-elemental-isotope-analysis-learning-center\/elemental-analysis-information\/xrf-technology.html?icid=CAD_blog_mining_2019July\" target=\"_blank\" rel=\"noopener noreferrer\">X-ray fluorescence<\/a>\u00a0(XRF), each element emits a characteristic energy signature as it returns to a stable state.\u00a0\u00a0(You can read about the technology on our\u00a0<a href=\"https:\/\/www.thermofisher.com\/us\/en\/home\/industrial\/cement-coal-minerals\/cement-coal-minerals-learning-center\/cement-analysis-production-information\/pgnaa-pftna-technology.html?icid=CAD_blog_mining_2019July\" target=\"_blank\" rel=\"noopener noreferrer\">PGNAA and PFTNA Technology<\/a>\u00a0page.)<\/p>\n<p>Some\u00a0analyzers use either PGNAA or PFTNA, depending on the excitation source selected, to continuously\u00a0<a href=\"https:\/\/www.thermofisher.com\/order\/catalog\/product\/CBOMNIFUSION?icid=CAD_blog_mining_2019July\" target=\"_blank\" rel=\"noopener noreferrer\">measure in real time the\u00a0elemental composition\u00a0of an entire raw material stream<\/a>\u00a0being carried on a conveyor belt without touching the materials, and without the errors and costs associated with material sampling for off-line laboratory analysis. For example, there are\u00a0<a href=\"https:\/\/www.thermofisher.com\/order\/catalog\/product\/CQMFLEX\" target=\"_blank\" rel=\"noopener noreferrer\">coal analyzers<\/a>\u00a0that\u00a0measure and report levels of sulfur, moisture, total ash, calorific value, ash elemental concentration, and other critical parameters required by both coal consumers and producers to maximize the use of coal resources and reduce pollutants. These are most useful to address coal quality issues in applications including load outs, truck and rail receipted coal using auger samplers, and specifically at power plants for \u201cas received\u201d and \u201cas fired\u201d coal applications. There are also\u00a0<a href=\"http:\/\/www.thermofisher.com\/order\/catalog\/product\/19187?icid=CAD_blog_mining_2019July\" target=\"_blank\" rel=\"noopener noreferrer\">elemental crossbelt analyzers<\/a>\u00a0that are\u00a0ideal for raw coal, plant feed, clean coal and blended coal applications &#8212;\u00a0providing real-time quality analysis of critical process streams to facilitate sorting, blending and out-of-seam dilution control.<\/p>\n<p>For cement applications, knowing the elements in the material is needed to\u00a0control the raw material quality within a pre-blending stockpile.\u00a0\u00a0If there are adverse materials found within the quarry deposit such as magnesium, alkalis, high sulfur, etc. an online analyzer can\u00a0provide the immediate feedback needed to identify and avoid those materials. An\u00a0analyzer can also\u00a0also help\u00a0keep a pre-blend stockpile at target chemistry, monitoring the process by providing high frequency analysis and automatically adjusting raw material feed proportions.<\/p>\n<p>For lime applications, high quality\u00a0limestone or lime is required to meet certain chemical specifications and hence producers must selectively mine and process lime to meet target. An analyzer enables a plant to consistently meet final product specifications. For sintering applications, it is possible to measure sinter feed chemistry to enable control of basicity in real time.<\/p>\n<p>We know it can get a bit confusing, so we developed a\u00a0<a href=\"http:\/\/www.thermofisher.com\/us\/en\/home\/industrial\/cement-coal-minerals\/cement-coal-minerals-learning-center\/cement-analysis-production-information\/pgnaa-pftna-technology\/pgnaa-pftna-product-comparison-table.html?icid=CAD_blog_mining_2019July\" target=\"_blank\" rel=\"noopener noreferrer\">PGNAA\/PFTNA Product Comparison Table<\/a>\u00a0to show at a glance which equipment is the better choice depending on what elements require measurement as well as the particular application.\u00a0 You can use this comparison table to help determine which PGNAA\/PFTNA online analyzer is best for\u00a0you.<\/p>\n<p><a href=\"http:\/\/https:\/\/www.thermofisher.com\/us\/en\/home\/industrial\/cement-coal-minerals\/cement-coal-minerals-learning-center\/cement-analysis-production-information\/pgnaa-pftna-technology\/pgnaa-pftna-product-comparison-table.html\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" style=\"border: 1px solid black;float: left;margin: 10px\" title=\"pgnaa mining online analyzer chart\" src=\"https:\/\/www.thermofisher.com\/blog\/wp-content\/uploads\/sites\/3\/2019\/07\/pgnaachart-2.jpg\" alt=\"pgnaa mining online analyzer chart\" width=\"150\" height=\"128\" \/><\/a><a href=\"https:\/\/www.thermofisher.com\/us\/en\/home\/industrial\/cement-coal-minerals\/cement-coal-minerals-learning-center\/cement-analysis-production-information\/pgnaa-pftna-technology\/pgnaa-pftna-product-comparison-table.html?icid=CAD_blog_mining_2019July\" target=\"_blank\" rel=\"noopener noreferrer\"><em><span style=\"font-size: 14pt\">View the chart.<\/span><\/em><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2>Visit the<a href=\"https:\/\/www.thermofisher.com\/us\/en\/home\/industrial\/cement-coal-minerals\/cement-production.html?cid=cad_cad_vm_cement_sig_blog\"> Cement Production center<\/a> on our website, with free resources to help you optimize your cement making process.<br \/>\n<a href=\"https:\/\/www.thermofisher.com\/us\/en\/home\/industrial\/cement-coal-minerals\/cement-production.html?cid=cad_cad_vm_cement_sig_blog\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-11424\" src=\"https:\/\/www.thermofisher.com\/blog\/wp-content\/uploads\/sites\/3\/2015\/08\/CAD-Cement-E-Signature-Banner-600x125.jpg\" alt=\"\" width=\"600\" height=\"125\" srcset=\"https:\/\/admin.acceleratingscience.com\/mining\/wp-content\/uploads\/sites\/3\/2015\/08\/CAD-Cement-E-Signature-Banner-600x125.jpg 600w, https:\/\/admin.acceleratingscience.com\/mining\/wp-content\/uploads\/sites\/3\/2015\/08\/CAD-Cement-E-Signature-Banner-600x125-300x63.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/h2>\n","protected":false},"excerpt":{"rendered":"<p>Online analysis systems are utilized to determine the elemental composition of bulk raw materials.\u00a0 These analyzers are used in various applications including cement, coal, and sintering applications as well as other bulk materials such as copper, iron ore, phosphates, etc. to help ensure consistent material quality and process optimization. However, there are different considerations when<\/p>\n","protected":false},"author":971,"featured_media":11395,"comment_status":"open","ping_status":"closed","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":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[36],"tags":[],"division":[],"class_list":{"0":"post-11389","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-material-handling","8":"entry"},"_selected_authors":[1363],"_selected_reviewers":[],"acf":[],"yoast_head":"<!-- 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Portable analytical technologies used\u2026","rel":"","context":"In &quot;Exploration&quot;","block_context":{"text":"Exploration","link":"https:\/\/admin.acceleratingscience.com\/mining\/exploration\/"},"img":{"alt_text":"Mining truck on a dirt road in the Andes, Chile (near Embalse El Yeso, Caj\u00f3n del Maipo, San Jos\u00e9 de Maipo)","src":"https:\/\/i0.wp.com\/admin.acceleratingscience.com\/mining\/wp-content\/uploads\/sites\/3\/2026\/03\/iStock-2222354034.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/admin.acceleratingscience.com\/mining\/wp-content\/uploads\/sites\/3\/2026\/03\/iStock-2222354034.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/mining\/wp-content\/uploads\/sites\/3\/2026\/03\/iStock-2222354034.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/mining\/wp-content\/uploads\/sites\/3\/2026\/03\/iStock-2222354034.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/mining\/wp-content\/uploads\/sites\/3\/2026\/03\/iStock-2222354034.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/mining\/wp-content\/uploads\/sites\/3\/2026\/03\/iStock-2222354034.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":14089,"url":"https:\/\/www.thermofisher.com\/blog\/mining\/why-real-time-monitoring-is-transforming-refined-fuel-quality-control\/","url_meta":{"origin":11389,"position":1},"title":"Why Real-Time Monitoring Is Transforming Refined Fuel Quality Control","author":"Marlene Gasdia-Cochrane","date":"July 21, 2026","format":false,"excerpt":"Article Summary Refinery operations depend on precise control of fuel properties. Whether producing gasoline, diesel, jet fuel, or base oils, even small variations can impact product performance, regulatory compliance, and profitability. Traditionally, fuel quality has been verified through a combination of laboratory testing and online analyzers. While these methods are\u2026","rel":"","context":"In &quot;Oil and Gas&quot;","block_context":{"text":"Oil and Gas","link":"https:\/\/admin.acceleratingscience.com\/mining\/oil-and-gas\/"},"img":{"alt_text":"Aerial view of oil refinery and storage tanks at dusk and night, showcasing energy industry infrastructure, petroleum processing, and industrial landscape.","src":"https:\/\/i0.wp.com\/admin.acceleratingscience.com\/mining\/wp-content\/uploads\/sites\/3\/2026\/07\/iStock-2274125977-scaled.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/admin.acceleratingscience.com\/mining\/wp-content\/uploads\/sites\/3\/2026\/07\/iStock-2274125977-scaled.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/mining\/wp-content\/uploads\/sites\/3\/2026\/07\/iStock-2274125977-scaled.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/mining\/wp-content\/uploads\/sites\/3\/2026\/07\/iStock-2274125977-scaled.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/mining\/wp-content\/uploads\/sites\/3\/2026\/07\/iStock-2274125977-scaled.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/admin.acceleratingscience.com\/mining\/wp-content\/uploads\/sites\/3\/2026\/07\/iStock-2274125977-scaled.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":13544,"url":"https:\/\/www.thermofisher.com\/blog\/mining\/did-you-read-these-mining-and-minerals-articles-yet\/","url_meta":{"origin":11389,"position":2},"title":"Did You Read These Mining and Minerals Articles Yet?","author":"Marlene Gasdia-Cochrane","date":"December 16, 2025","format":false,"excerpt":"According to Google, here are the Top 10 read articles this year from Advancing Mining. Some have been around for quite awhile, but are still as relevant as ever. If you missed any of the latest articles, just click\u00a0here\u00a0to see the most recently published articles. You can even filter by\u2026","rel":"","context":"In &quot;General\/Industry&quot;","block_context":{"text":"General\/Industry","link":"https:\/\/admin.acceleratingscience.com\/mining\/general-industry-mining\/"},"img":{"alt_text":"Top 10, words, isolated on a dark blue background. Alphabet on stone blocks.Rating. Rating concept. 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Energy Dispersive X-ray Fluorescence (EDXRF) spectrometers play a vital role by providing fast, non-destructive elemental analysis of ores, concentrates, and intermediate products. 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