{"id":12159,"date":"2016-04-18T22:39:27","date_gmt":"2016-04-19T04:39:27","guid":{"rendered":"https:\/\/www.tofwerk.com\/?p=12159"},"modified":"2018-01-04T13:12:08","modified_gmt":"2018-01-04T20:12:08","slug":"la-icptof-apnote","status":"publish","type":"post","link":"https:\/\/www.tofwerk.com\/ko\/la-icptof-apnote\/","title":{"rendered":"Laser Ablation with the icpTOF: Application Note"},"content":{"rendered":"<p class=\"lead\">Laser Ablation with the icpTOF: Sensitive, Simultaneous Analysis of All Isotopes<\/p>\n<p>Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS) is a well established technique for the direct elemental analysis of solid samples. \u00a0Most LA-ICP mass spectrometers are based on\u00a0quadrupole or scanning sector-field mass analyzers. \u00a0With\u00a0these &#8220;sequential&#8221; mass analyzers, isotopes in\u00a0a\u00a0user-defined\u00a0list are\u00a0sequentially measured one at a time in order to construct a mass spectrum. \u00a0The time required to record\u00a0an entire mass spectrum depends on the number of isotopes measured and is typically\u00a0at least a few hundred milliseconds. \u00a0In contrast,\u00a0a\u00a0time-of-flight (TOF) mass analyzer detects all isotopes simultaneously and can record a complete mass spectrum\u00a0in tens\u00a0of microseconds. \u00a0For these reasons, TOF mass analyzers\u00a0have long been proposed as a more suitable detector for LA applications, where\u00a0signal transients can be\u00a0as short as 1 or 2\u00a0milliseconds, arising from large individual particles or individual laser pulses. \u00a0To date, though, commercial ICP-TOF mass spectrometers have suffered\u00a0from poor sensitivity and other drawbacks.<\/p>\n<p>This application note\u00a0compares\u00a0the performance of the TOFWERK <a href=\"https:\/\/www.tofwerk.com\/ko\/products\/icptof\/\">icpTOF<\/a>\u00a0 and a\u00a0quadrupole-based ICP-MS as detectors for a laser ablation system. \u00a0It is demonstrated that\u00a0the icpTOF provides:<\/p>\n<ul>\n<li>Accurate results for even the shortest LA signals<\/li>\n<li>Fast, simultaneous measurement of all isotopes, \u00a0ensuring that small sample features are never missed<\/li>\n<li>Lower limits of detection, better isotope ratio precision, and higher effective sensitivity for multi-element analysis than the QMS-based system<\/li>\n<\/ul>\n<p style=\"text-align: center;\">","protected":false},"excerpt":{"rendered":"<p>Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS) is a well established technique for the direct elemental analysis of solid samples. \u00a0Most LA-ICP mass spectrometers are based on\u00a0quadrupole or scanning sector-field mass analyzers. \u00a0With\u00a0these &#8220;sequential&#8221; mass analyzers, isotopes in\u00a0a\u00a0user-defined\u00a0list are\u00a0sequentially measured one at a time in order to construct a mass spectrum. \u00a0The time required &#8230; <a title=\"Laser Ablation with the icpTOF: Application Note\" class=\"read-more\" href=\"https:\/\/www.tofwerk.com\/ko\/la-icptof-apnote\/\" aria-label=\"Laser Ablation with the icpTOF: Application Note\uc5d0 \ub300\ud574 \ub354 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uc138\uc694\">\ub354 \uc77d\uae30<\/a><\/p>","protected":false},"author":4,"featured_media":13566,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[118],"tags":[],"product_notes":[103],"class_list":["post-12159","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-application-note","product_notes-icptof"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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