{"id":54222,"date":"2025-07-10T12:13:38","date_gmt":"2025-07-10T06:43:38","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=54222"},"modified":"2025-07-10T13:57:28","modified_gmt":"2025-07-10T08:27:28","slug":"accelerator-mass-spectrometry-dating","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/accelerator-mass-spectrometry-dating\/","title":{"rendered":"Accelerator Mass Spectrometry (AMS) Dating"},"content":{"rendered":"<h2><b>Accelerator Mass Spectrometry (AMS) Dating Latest News<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The Tamil Nadu State Department of Archaeology (TNSDA) has dispatched 23 charcoal samples to the Beta Analytic laboratory in the United States for Accelerator Mass Spectrometry (AMS) dating.<\/span><\/p>\n<h2><b>About Accelerator Mass Spectrometry (AMS) Dating<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is a precise method for <\/span><b>measuring the radioactive isotope<\/b><span style=\"font-weight: 400;\"> values <\/span><b>of Carbon-14<\/b><span style=\"font-weight: 400;\"> (C-14).\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It involves accelerating the ions to extraordinarily high kinetic energies followed by mass analysis.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is used primarily in <\/span><b>determining carbon 14 content<\/b><span style=\"font-weight: 400;\"> of archaeological artifacts and geological samples.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It <\/span><b>detects atoms of specific elements<\/b><span style=\"font-weight: 400;\"> according to their atomic weights.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">There are essentially two parts in the process of radiocarbon dating through accelerator mass spectrometry.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The first part involves accelerating the ions to extraordinarily <\/span><b>high kinetic energies<\/b><span style=\"font-weight: 400;\">, and the subsequent <\/span><b>step involves mass analysis.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Applications:<\/b><span style=\"font-weight: 400;\"> It is most widely used for isotope studies of 14C, which has applications in a variety of fields such as radiocarbon dating, climate studies, and biomedical analysis.<\/span><\/li>\n<\/ul>\n<h2><b>Advantages of Accelerator Mass Spectrometry (AMS) Dating<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Sample size:<\/b><span style=\"font-weight: 400;\"> Accelerator mass spectrometers <\/span><b>need only as little as 20 milligrams<\/b><span style=\"font-weight: 400;\"> and as high as 500 milligrams for certain samples whereas conventional methods need at least 10 grams in samples.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Time: It <\/span><b>takes less time to analyze samples<\/b><span style=\"font-weight: 400;\"> for carbon 14 content compared to radiometric dating methods that can take one or two days.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">AMS measurements usually <\/span><b>achieve higher precision<\/b><span style=\"font-weight: 400;\"> than radiometric dating methods.<\/span><\/li>\n<\/ul>\n<p><b>Source:<\/b> <a href=\"https:\/\/www.thehindu.com\/news\/national\/tamil-nadu\/tn-archaeology-department-sends-23-charcoal-samples-to-us-for-ams-dating\/article69786991.ece\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">TH<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Accelerator Mass Spectrometry (AMS) Dating is a highly precise technique used to measure Carbon-14 (C-14) isotopes for determining the age of archaeological samples. Read more about Accelerator Mass Spectrometry (AMS) Dating, Application, Advantages, News<\/p>\n","protected":false},"author":24,"featured_media":54250,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[1445,21,22,23],"class_list":{"0":"post-54222","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-accelerator-mass-spectrometry-dating","9":"tag-prelims-pointers","10":"tag-upsc-current-affairs","11":"tag-upsc-prelims-current-affairs","12":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/54222","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/24"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=54222"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/54222\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/54250"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=54222"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=54222"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=54222"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}