{"id":53261,"date":"2025-07-03T10:25:24","date_gmt":"2025-07-03T04:55:24","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=53261"},"modified":"2025-07-03T14:04:36","modified_gmt":"2025-07-03T08:34:36","slug":"terbium","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/terbium\/","title":{"rendered":"Terbium"},"content":{"rendered":"<h2><b>Terbium Latest News<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Scientists from Indian Institute of Science (IISc) have developed a simple, glowing paper sensor that could help detect liver cancer early \u2014 using the green glow of a rare earth metal called terbium.<\/span><\/p>\n<h2><b>About Terbium<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is a <\/span><b>rare-earth metal<\/b><span style=\"font-weight: 400;\"> of the lanthanide series of the periodic table.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It occurs in many rare-earth minerals but is almost <\/span><b>exclusively obtained from bastnasite<\/b><span style=\"font-weight: 400;\"> and from <\/span><b>laterite <\/b><span style=\"font-weight: 400;\">ion-exchange clays. It is also found in the products of <\/span><b>nuclear fission.<\/b><span style=\"font-weight: 400;\">\u00a0<\/span><\/li>\n<\/ul>\n<h2><b>Properties of Terbium<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is a <\/span><b>moderately hard, silvery white metal<\/b><span style=\"font-weight: 400;\"> that is stable in air when in pure form.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The metal is relatively <\/span><b>stable in air even at high temperatures<\/b><span style=\"font-weight: 400;\">, because of formation of a tight, dark oxide layer that can be represented as a mixed oxide composed of Tb2O3 and TbO2.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It readily <\/span><b>reacts with diluted acids<\/b><span style=\"font-weight: 400;\">, but it is insoluble in hydrofluoric acid (HF) because the presence of the fluoride ion protects the metal from further reaction by forming a protective layer of TbF3.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It exhibits strong <\/span><b>paramagnet<\/b><span style=\"font-weight: 400;\"> above 230 K and <\/span><b>antiferromagnetic <\/b><span style=\"font-weight: 400;\">between 220 K and 230 K, and it becomes <\/span><b>ferromagnetic<\/b><span style=\"font-weight: 400;\"> below 220 K.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Uses:<\/b><span style=\"font-weight: 400;\"> Terbium compounds are used as <\/span><b>green phosphors in fluorescent lamps<\/b><span style=\"font-weight: 400;\">, computer monitors, and TV screens that use cathode-ray tubes. Another major use is with dysprosium and iron in the magnetostrictive alloy.<\/span><\/li>\n<\/ul>\n<p><b>Source: <\/b><a href=\"https:\/\/timesofindia.indiatimes.com\/city\/bengaluru\/indian-institute-of-science-team-creates-glowing-sensor-for-liver-cancer-detection\/articleshow\/122166959.cms\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">TOI<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Terbium is a silvery-white rare-earth metal from the lanthanide series, used in electronics, lasers, and green phosphors for display and lighting technologies. Read more about Terbium, Properties, Uses, Latest news<\/p>\n","protected":false},"author":24,"featured_media":53294,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[21,1311,22,23],"class_list":{"0":"post-53261","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-prelims-pointers","9":"tag-terbium","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\/53261","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=53261"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/53261\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/53294"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=53261"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=53261"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=53261"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}