{"id":55758,"date":"2025-09-23T09:42:17","date_gmt":"2025-09-23T15:42:17","guid":{"rendered":"https:\/\/www.tofwerk.com\/?p=55758"},"modified":"2025-09-29T15:13:27","modified_gmt":"2025-09-29T21:13:27","slug":"high-throughput-uranium-isotope-analysis-icptof","status":"publish","type":"post","link":"https:\/\/www.tofwerk.com\/ko\/high-throughput-uranium-isotope-analysis-icptof\/","title":{"rendered":"\uc785\uc790 \uc218\uc900\uc5d0\uc11c\uc758 \uc778\uc0ac\uc774\ud2b8: icpTOF\ub97c \uc0ac\uc6a9\ud55c \uace0\ucc98\ub9ac\ub7c9 \uc6b0\ub77c\ub284 \ub3d9\uc704\uc6d0\uc18c \ubd84\uc11d"},"content":{"rendered":"<h3 class=\"wp-block-heading\">Rapid isotopic analysis of uranium microparticles via SP-ICP-TOF-MS<\/h3>\n\n\n\n<p class=\"wp-block-heading\">Stanberry et al.<br><a href=\"https:\/\/www.sciencedirect.com\/journal\/talanta\" target=\"_blank\" rel=\"noreferrer noopener\">Talanta<\/a>, 2026<br>DOI: <a href=\"https:\/\/doi.org\/10.1016\/j.talanta.2025.128578\" target=\"_blank\" rel=\"noreferrer noopener\">10.1016\/j.talanta.2025.128578<\/a><\/p>\n\n\n\n<p>A study published in <em>Talanta<\/em> led by researchers from <a href=\"https:\/\/www.ornl.gov\/division\/csd\" target=\"_blank\" rel=\"noreferrer noopener\">Oak Ridge National Laboratory<\/a>, and with contributions from TOFWERK showed the use of single-particle inductively coupled plasma time-of-flight mass spectrometry (SP-ICP-TOFMS) to measure uranium isotope ratios in depleted, natural, and low-enriched uranium oxide microparticles with high accuracy. The method employing a TOFWERK<a href=\"https:\/\/www.tofwerk.com\/ko\/icptof-product-brochure\/\"> icpTOF R<\/a> enabled simultaneous detection of uranium and matrix particles (e.g., Al, Fe, Ti) in complex suspensions, demonstrating its high-throughput capability for uranium isotope analysis in a challenging matrix.<\/p>\n\n\n\n<p>Since the 1990s, the <a href=\"https:\/\/www.iaea.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">IAEA <\/a>has used environmental sampling to detect undeclared nuclear materials, traditionally analyzed by bulk or particle-based mass spectrometry methods like large geometry secondary ion mass spectrometry (LG-SIMS) and fission track thermal ionization mass spectrometry (FT-TIMS), which offer precision but suffer from low throughput. Laser ablation ICP-MS improved speed, but limitations remain. This study demonstrated the first use of single-particle ICP-TOFMS for uranium isotope analysis, offering high-throughput, multi-element detection and the ability to differentiate depleted, natural, and low-enriched uranium particles for safeguards and forensics.<\/p>\n\n\n\n<p>Uranium particles (depleted uranium (DU), natural uranium (NU), and low-enriched uranium (LEU)\u00a0were characterized using scanning electron microscopy with energy-dispersive X-ray spectroscopy (SEM-EDS) and analyzed by SP-ICP-TOFMS with a notch filter to prevent detector saturation from intense \u00b2\u00b3\u2078U signals. Notch calibration with standards enabled accurate \u00b2\u00b3\u2075U\/\u00b2\u00b3\u2078U ratio correction, though DU showed larger deviations due to low counts and limited particles. Despite higher RSDs, particles with sufficient \u00b2\u00b3\u2075U counts (>20) yielded reliable isotope ratios. In complex mixtures such as a simulated soil matrix (Arizona Test Dust), SP-ICP-TOFMS distinguished uranium particles from matrix particles, classifying DU and NU when >23 counts of \u00b2\u00b3\u2075U were present.<\/p>\n\n\n\n<p>SP-ICP-TOFMS characterized 1 \u03bcm uranium particles (DU, NU, LEU) via their \u00b2\u00b3\u2075U\/\u00b2\u00b3\u2078U ratios, achieving relative differences below 10% and accurate detection even for low \u00b2\u00b3\u2075U counts. The method distinguished DU and NU in complex matrices, classifying 30.1% of uranium particles, and offers high-throughput analysis, making it a faster, promising alternative to labor-intensive techniques like FT-TIMS and LG-SIMS for environmental and nuclear safeguards applications. Its ability to simultaneously detect multiple isotopes in thousands of individual particles within minutes highlights the unique power of the <a href=\"https:\/\/www.tofwerk.com\/ko\/products\/icptof\/\">icpTOF<\/a>.&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Rapid isotopic analysis of uranium microparticles via SP-ICP-TOF-MS Stanberry et al.Talanta, 2026DOI: 10.1016\/j.talanta.2025.128578 A study published in Talanta led by researchers from Oak Ridge National Laboratory, and with contributions from TOFWERK showed the use of single-particle inductively coupled plasma time-of-flight mass spectrometry (SP-ICP-TOFMS) to measure uranium isotope ratios in depleted, natural, and low-enriched uranium oxide &#8230; <a title=\"\uc785\uc790 \uc218\uc900\uc5d0\uc11c\uc758 \uc778\uc0ac\uc774\ud2b8: icpTOF\ub97c \uc0ac\uc6a9\ud55c \uace0\ucc98\ub9ac\ub7c9 \uc6b0\ub77c\ub284 \ub3d9\uc704\uc6d0\uc18c \ubd84\uc11d\" class=\"read-more\" href=\"https:\/\/www.tofwerk.com\/ko\/high-throughput-uranium-isotope-analysis-icptof\/\" aria-label=\"Insight at the Particle Level: High-Throughput Uranium Isotope Analysis with the icpTOF\uc5d0 \ub300\ud574 \ub354 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uc138\uc694\">\ub354 \uc77d\uae30<\/a><\/p>","protected":false},"author":9,"featured_media":55762,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[121],"tags":[],"product_notes":[103],"class_list":["post-55758","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-publication","product_notes-icptof"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>High-Throughput Uranium Isotope Analysis with the icpTOF<\/title>\n<meta name=\"description\" content=\"Single Particle icpTOF enables fast, high-throughput uranium isotope analysis, distinguishing DU, NU, and LEU even in complex matrices.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tofwerk.com\/ko\/high-throughput-uranium-isotope-analysis-icptof\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"High-Throughput Uranium Isotope Analysis with the icpTOF\" \/>\n<meta property=\"og:description\" content=\"Single Particle icpTOF enables fast, high-throughput uranium isotope analysis, distinguishing DU, NU, and LEU even in complex matrices.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.tofwerk.com\/ko\/high-throughput-uranium-isotope-analysis-icptof\/\" \/>\n<meta property=\"og:site_name\" content=\"TOFWERK\" \/>\n<meta property=\"article:publisher\" 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