{"id":3436,"date":"2024-06-27T22:47:01","date_gmt":"2024-06-28T01:47:01","guid":{"rendered":"https:\/\/www.ufrgs.br\/igeo\/?page_id=3436"},"modified":"2026-03-23T11:01:47","modified_gmt":"2026-03-23T14:01:47","slug":"servicos","status":"publish","type":"page","link":"https:\/\/www.ufrgs.br\/igeo\/institucional\/organizacao\/laboratorios\/cpgq-main\/lgi\/servicos\/","title":{"rendered":"Servi\u00e7os"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"3436\" class=\"elementor elementor-3436\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1a86f69 e-flex e-con-boxed e-con e-child\" data-id=\"1a86f69\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-92f52fc elementor-widget elementor-widget-template\" data-id=\"92f52fc\" data-element_type=\"widget\" data-widget_type=\"template.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-template\">\n\t\t\t\t\t<header data-elementor-type=\"header\" data-elementor-id=\"6016\" class=\"elementor elementor-6016\" data-elementor-post-type=\"elementor_library\">\n\t\t\t<div class=\"elementor-element elementor-element-706a78e e-con-full e-flex e-con e-child\" data-id=\"706a78e\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2dae76bd elementor-widget elementor-widget-breadcrumbs\" data-id=\"2dae76bd\" data-element_type=\"widget\" data-widget_type=\"breadcrumbs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p id=\"breadcrumbs\"><span><span><a href=\"https:\/\/www.ufrgs.br\/igeo\/\">IGEO<\/a><\/span><\/span><\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-344a1f8d e-con-full e-flex e-con e-child\" data-id=\"344a1f8d\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-3e6d8895 e-con-full e-flex e-con e-child\" data-id=\"3e6d8895\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-3c4a1f34 e-con-full e-flex e-con e-child\" data-id=\"3c4a1f34\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fbfa9f2 elementor-widget__width-inherit elementor-widget-tablet__width-inherit elementor-widget elementor-widget-image\" data-id=\"fbfa9f2\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"2000\" height=\"2000\" src=\"https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2024\/06\/logo_lgi-1.png\" class=\"attachment-full size-full wp-image-3014\" alt=\"\" srcset=\"https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2024\/06\/logo_lgi-1.png 2000w, https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2024\/06\/logo_lgi-1-300x300.png 300w, https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2024\/06\/logo_lgi-1-1024x1024.png 1024w, https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2024\/06\/logo_lgi-1-150x150.png 150w, https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2024\/06\/logo_lgi-1-768x768.png 768w, https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2024\/06\/logo_lgi-1-1536x1536.png 1536w\" sizes=\"(max-width: 2000px) 100vw, 2000px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-48cb9936 e-con-full e-flex e-con e-child\" data-id=\"48cb9936\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-659615ff elementor-widget__width-auto elementor-widget elementor-widget-heading\" data-id=\"659615ff\" data-element_type=\"widget\" id=\"title\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-large\">Laborat\u00f3rio de Geologia Isot\u00f3pica <\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d5a3974 elementor-widget-mobile__width-inherit elementor-widget elementor-widget-heading\" data-id=\"d5a3974\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-medium\">Estrutura Multiusu\u00e1ria<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-22bcd241 e-con-full e-flex e-con e-child\" data-id=\"22bcd241\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-1fefd58e e-con-full e-flex e-con e-child\" data-id=\"1fefd58e\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7d50b0bc elementor-widget-tablet__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-image\" data-id=\"7d50b0bc\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.ufrgs.br\/igeo\/institucional\/organizacao\/laboratorios\/cpgq-main\/lgi\/pessoas#bolsista\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2024\/06\/Bolsa-premium2.png\" class=\"attachment-large size-large wp-image-3312\" alt=\"\" srcset=\"https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2024\/06\/Bolsa-premium2.png 1000w, https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2024\/06\/Bolsa-premium2-300x300.png 300w, https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2024\/06\/Bolsa-premium2-150x150.png 150w, https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2024\/06\/Bolsa-premium2-768x768.png 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-77405514 e-con-full e-flex e-con e-child\" data-id=\"77405514\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-23f2a607 elementor-widget-tablet__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-image\" data-id=\"23f2a607\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/pnipe.mcti.gov.br\/laboratory\/370\" target=\"_blank\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2024\/06\/PNIPE2.png\" class=\"attachment-large size-large wp-image-3311\" alt=\"\" srcset=\"https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2024\/06\/PNIPE2.png 1000w, https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2024\/06\/PNIPE2-300x300.png 300w, https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2024\/06\/PNIPE2-150x150.png 150w, https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2024\/06\/PNIPE2-768x768.png 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-572410b0 e-con-full e-flex e-con e-child\" data-id=\"572410b0\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4e3627ee elementor-widget-tablet__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-image\" data-id=\"4e3627ee\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2024\/06\/Finep2.png\" class=\"attachment-large size-large wp-image-3313\" alt=\"\" srcset=\"https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2024\/06\/Finep2.png 1000w, https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2024\/06\/Finep2-300x300.png 300w, https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2024\/06\/Finep2-150x150.png 150w, https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2024\/06\/Finep2-768x768.png 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/header>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-24bcf67f e-flex e-con-boxed e-con e-parent\" data-id=\"24bcf67f\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-19f3f161 elementor-widget__width-inherit elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"19f3f161\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-789a3692 e-con-full e-flex e-con e-child\" data-id=\"789a3692\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-a264eb7 e-con-full e-flex e-con e-child\" data-id=\"a264eb7\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-d7dce35 e-con-full e-flex e-con e-child\" data-id=\"d7dce35\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7e0116a menufloat elementor-widget__width-inherit elementor-widget elementor-widget-global elementor-global-5099 elementor-widget-text-editor\" data-id=\"7e0116a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul class=\"menulat\">\n \t<li class=\"menulatitem\"><a href=\"https:\/\/www.ufrgs.br\/igeo\/institucional\/organizacao\/laboratorios\/cpgq-main\/lgi\/\">home lgi<\/a><\/li>\n \t<li class=\"menulatitem\"><a href=\"https:\/\/www.ufrgs.br\/igeo\/institucional\/organizacao\/laboratorios\/cpgq-main\/lgi\/institucional\/\">institucional<\/a><\/li>\n \t<li class=\"menulatitem\"><a href=\"https:\/\/www.ufrgs.br\/igeo\/institucional\/organizacao\/laboratorios\/cpgq-main\/lgi\/pessoas\/\">pessoas<\/a><\/li>\n \t<li class=\"menulatitem\"><a href=\"https:\/\/www.ufrgs.br\/igeo\/institucional\/organizacao\/laboratorios\/cpgq-main\/lgi\/infraestrutura\/\">infraestrutura<\/a><\/li>\n \t<li class=\"menulatitem\"><a href=\"https:\/\/www.ufrgs.br\/igeo\/institucional\/organizacao\/laboratorios\/cpgq-main\/lgi\/servicos\/\">servi\u00e7os<\/a><\/li>\n \t<li class=\"menulatitem\"><a href=\"https:\/\/www.ufrgs.br\/igeo\/institucional\/organizacao\/laboratorios\/cpgq-main\/lgi\/parceiros-e-apoios\/\">parceiros e apoios<\/a><\/li>\n \t<li class=\"menulatitem\"><a href=\"https:\/\/www.ufrgs.br\/igeo\/institucional\/organizacao\/laboratorios\/cpgq-main\/lgi\/contato\/\">contato<\/a><\/li>\n<\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a696858 e-con-full e-flex e-con e-child\" data-id=\"a696858\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a3c45a3 elementor-widget__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"a3c45a3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>O Laborat\u00f3rio de Geologia Isot\u00f3pica realiza an\u00e1lises isot\u00f3picas e servi\u00e7os de Microscopia Eletr\u00f4nica de Varredura (MEV). Ainda, disponibiliza acesso a equipamentos de Microscopia \u00d3ptica.\u00a0<\/p><p>As an\u00e1lises isot\u00f3picas oferecidas em rotina no momento s\u00e3o:\u00a0<\/p><ul><li>Determina\u00e7\u00e3o da raz\u00e3o isot\u00f3pica\u00a0<sup>87<\/sup>Sr\/<sup>86<\/sup>Sr<\/li><li>Determina\u00e7\u00e3o da raz\u00e3o isot\u00f3pica\u00a0<sup>143<\/sup>Nd\/<sup>144<\/sup>Nd<\/li><li>Determina\u00e7\u00e3o das raz\u00f5es isot\u00f3picas\u00a0<sup>147<\/sup>Sm\/<sup>144<\/sup>Nd e\u00a0<sup>143<\/sup>Nd\/<sup>144<\/sup>Nd<\/li><li>Determina\u00e7\u00e3o das raz\u00f5es isot\u00f3picas de Pb<\/li><li>An\u00e1lise de \u03b4<sup>13<\/sup>C e \u03b4<sup>18<\/sup>O em carbonato<\/li><li>An\u00e1lise de \u03b4<sup>2<\/sup>H e \u03b4<sup>18<\/sup>O em \u00e1gua<\/li><\/ul><p>Confira abaixo a descri\u00e7\u00e3o sucinta dos m\u00e9todos dessas an\u00e1lises, procedimentos para solicita\u00e7\u00e3o de an\u00e1lises e para agendamento de equipamentos de microscopia, e custos.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8d7b4e6 e-n-tabs-none elementor-widget elementor-widget-n-tabs\" data-id=\"8d7b4e6\" data-element_type=\"widget\" data-settings=\"{&quot;tabs_justify_horizontal&quot;:&quot;stretch&quot;,&quot;horizontal_scroll_mobile&quot;:&quot;disable&quot;,&quot;horizontal_scroll&quot;:&quot;disable&quot;}\" data-widget_type=\"nested-tabs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-tabs\" data-widget-number=\"148354278\" aria-label=\"Abas. Abra itens com &quot;Enter&quot; ou &quot;Espa\u00e7o&quot;, feche com &quot;Escape&quot; e navegue usando as teclas de &quot;Seta&quot;.\">\n\t\t\t<div class=\"e-n-tabs-heading\" role=\"tablist\">\n\t\t\t\t\t<button id=\"e-n-tab-title-1483542781\" class=\"e-n-tab-title elementor-animation-grow\" aria-selected=\"true\" data-tab-index=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"e-n-tab-content-1483542781\" style=\"--n-tabs-title-order: 1;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tAn\u00e1lises\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t<button id=\"e-n-tab-title-1483542782\" class=\"e-n-tab-title elementor-animation-grow\" aria-selected=\"false\" data-tab-index=\"2\" role=\"tab\" tabindex=\"-1\" aria-controls=\"e-n-tab-content-1483542782\" style=\"--n-tabs-title-order: 2;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tAgendamentos MEV\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t<button id=\"e-n-tab-title-1483542783\" class=\"e-n-tab-title elementor-animation-grow\" aria-selected=\"false\" data-tab-index=\"3\" role=\"tab\" tabindex=\"-1\" aria-controls=\"e-n-tab-content-1483542783\" style=\"--n-tabs-title-order: 3;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tSolicita\u00e7\u00f5es de An\u00e1lises\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t<button id=\"e-n-tab-title-1483542784\" class=\"e-n-tab-title elementor-animation-grow\" aria-selected=\"false\" data-tab-index=\"4\" role=\"tab\" tabindex=\"-1\" aria-controls=\"e-n-tab-content-1483542784\" style=\"--n-tabs-title-order: 4;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tCustos\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t\t<\/div>\n\t\t\t<div class=\"e-n-tabs-content\">\n\t\t\t\t<div id=\"e-n-tab-content-1483542781\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-1483542781\" data-tab-index=\"1\" style=\"--n-tabs-title-order: 1;\" class=\"e-active elementor-element elementor-element-8dec294 e-con-full e-flex e-con e-child\" data-id=\"8dec294\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a64d6d4 elementor-widget elementor-widget-text-editor\" data-id=\"a64d6d4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Determina\u00e7\u00e3o da raz\u00e3o isot\u00f3pica <sup>87<\/sup>Sr\/<sup>86<\/sup>Sr<\/strong><\/p><p>A extra\u00e7\u00e3o do Sr \u00e9 realizada em colunas de teflon com resina de troca cati\u00f4nica Biorad AG\u00ae 50W-X8, quando materiais silic\u00e1ticos, e em colunas de polipropileno com resina Sr-B-50A (Eichrom Technologies), quando materiais carbon\u00e1ticos. A al\u00edquota de Sr \u00e9 dilu\u00edda em 2 \u00b5L de \u00e1cido fosf\u00f3rico (H<sub>3<\/sub>PO<sub>4<\/sub>, 0,25M) e depositada em filamento duplo de R\u00eanio previamente degasado. As raz\u00f5es isot\u00f3picas s\u00e3o obtidas em Espectr\u00f4metro de Massas de Termo-ioniza\u00e7\u00e3o TRITON (Thermo Scientific). A raz\u00e3o <sup>87<\/sup>Sr\/<sup>86<\/sup>Sr \u00e9 normalizada em fun\u00e7\u00e3o da raz\u00e3o <sup>86<\/sup>Sr\/<sup>88<\/sup>Sr de 0,1194.\u00a0 Materiais de Refer\u00eancia s\u00e3o utilizados para monitoramento de varia\u00e7\u00f5es instrumentais (NBS-987) e para monitoramento de qualidade (BHVO-2 e BCR-2).<\/p><p><strong>Determina\u00e7\u00e3o da raz\u00e3o isot\u00f3pica <sup>143<\/sup>Nd\/<sup>144<\/sup>Nd<\/strong><\/p><p>A extra\u00e7\u00e3o dos elementos terras raras \u00e9 realizada em colunas de teflon com resina de troca cati\u00f4nica Biorad AG\u00ae 50W-X8. A partir da fra\u00e7\u00e3o concentrada de ETR, o Nd \u00e9 separado com uso de colunas de quartzo e resina Eichrom Ln Spec\u00ae. A al\u00edquota de Nd \u00e9 dilu\u00edda em 2 \u00b5L de \u00e1cido n\u00edtrico (HNO3, 0,25M) e depositada em filamento duplo de R\u00eanio previamente degasado. As raz\u00f5es isot\u00f3picas s\u00e3o obtidas em Espectr\u00f4metro de Massas de Termo-ioniza\u00e7\u00e3o TRITON (Thermo Scientific). A raz\u00e3o <sup>143<\/sup>Nd\/<sup>144<\/sup>Nd \u00e9 normalizada em fun\u00e7\u00e3o da raz\u00e3o <sup>146<\/sup>Nd\/<sup>144<\/sup>Nd de 0,7219.\u00a0 Materiais de Refer\u00eancia s\u00e3o utilizados para monitoramento de varia\u00e7\u00f5es instrumentais (JNDi) e para monitoramento de qualidade (BHVO-2 e BCR-2).<\/p><p><strong>Determina\u00e7\u00e3o das raz\u00f5es isot\u00f3picas <sup>147<\/sup>Sm\/<sup>144<\/sup>Nd e <sup>143<\/sup>Nd\/<sup>144<\/sup>Nd<\/strong><\/p><p>Para obten\u00e7\u00e3o das raz\u00f5es isot\u00f3picas <sup>147<\/sup>Sm\/<sup>144<\/sup>Nd e <sup>143<\/sup>Nd\/<sup>144<\/sup>Nd \u00e9 adicionado um tra\u00e7ador isot\u00f3pico (<em>spike<\/em>) de Sm e Nd com concentra\u00e7\u00e3o e raz\u00f5es precisamente determinadas no procedimento de abertura (digest\u00e3o \u00e1cida) das amostras. A extra\u00e7\u00e3o dos elementos terras raras \u00e9 realizada em colunas de teflon com resina de troca cati\u00f4nica Biorad AG\u00ae 50W-X8. A partir da fra\u00e7\u00e3o concentrada de ETR, o Nd e o Sm s\u00e3o separados com uso de colunas de quartzo e resina Eichrom Ln Spec\u00ae. A al\u00edquota de Nd e de Sm s\u00e3o dilu\u00eddas em 2 \u00b5L de \u00e1cido n\u00edtrico (HNO3, 0,25M) e depositadas em filamentos duplos de R\u00eanio previamente degasados. As raz\u00f5es isot\u00f3picas s\u00e3o obtidas em Espectr\u00f4metro de Massas de Termo-ioniza\u00e7\u00e3o TRITON (Thermo Scientific). A raz\u00e3o <sup>143<\/sup>Nd\/<sup>144<\/sup>Nd \u00e9 normalizada em fun\u00e7\u00e3o da raz\u00e3o <sup>146<\/sup>Nd\/<sup>144<\/sup>Nd de 0,7219. Materiais de Refer\u00eancia s\u00e3o utilizados para monitoramento de varia\u00e7\u00f5es instrumentais (JNDi) e para monitoramento de qualidade (BHVO-2 e BCR-2). Os dados s\u00e3o reduzidos e os valores de TDM s\u00e3o calculados usando o modelo de De Paolo (1981).<\/p><p><strong>Determina\u00e7\u00e3o das raz\u00f5es isot\u00f3picas de Pb<\/strong><\/p><p>A extra\u00e7\u00e3o de Pb \u00e9 realizada em colunas de polipropileno com resina para Pb da Eichrom\u00a0 (Eichrom Pb Resin), purificada previamente. Utiliza HBr purificado e o Pb \u00e9 elu\u00eddo com HCl 6,0 M. A al\u00edquota de Pb \u00e9 dilu\u00edda em 3 \u00b5L de \u00e1cido fosf\u00f3rico (H<sub>3<\/sub>PO<sub>4<\/sub>, 0,25M) adicionado de 3 \u00b5L de 0.4 % de silicagel dilu\u00edda em \u00e1gua (LUDOX AS-40 \u2013 40 wt.% suspension in H2O). A deposi\u00e7\u00e3o \u00e9 feita em filamento de r\u00eanio simples, previamente degasado. As raz\u00f5es isot\u00f3picas s\u00e3o obtidas em Espectr\u00f4metro de Massas de Termo-ioniza\u00e7\u00e3o TRITON (Thermo Scientific) e as raz\u00f5es s\u00e3o corrigidas com base \u00e0s varia\u00e7\u00f5es hist\u00f3ricas medida para Material de Refer\u00eancia (NBS-981) no equipamento. Materiais de Refer\u00eancia tamb\u00e9m s\u00e3o utilizados para monitoramento de qualidade (BHVO-2 e BCR-2).<\/p><p><strong>An\u00e1lise de \u03b4<sup>13<\/sup>C e \u03b4<sup>18<\/sup>O em carbonato<\/strong><\/p><p>A amostra \u00e9 adicionada em tubo de vidro de 12 ml fechado com tampa pl\u00e1stica e septo de silicone. Passa por procedimento de <em>Flush<\/em> para substituir ar atmosf\u00e9rico por He de alta pureza. \u00c9 adicionado \u00e1cido fosf\u00f3rico (H<sub>3<\/sub>PO<sub>4<\/sub>) para reagir por 1 hora na temperatura de 70\u00b0C e gerar CO<sub>2<\/sub> que \u00e9 analisado no Espectr\u00f4metro de Massas de Raz\u00f5es Isot\u00f3picas (IRMS) &#8211; DELTA ADVANTAGE V (Thermo Scientific). Materiais de Refer\u00eancia s\u00e3o utilizados para monitoramento de varia\u00e7\u00f5es instrumentais e de qualidade (NBS18, IAEA CO1, REI 1). Os resultados s\u00e3o tratados e normalizados utilizando a escala do Material de Refer\u00eancia VPDB (<em>Vienna Pee Dee Belemnite<\/em>).<\/p><p><strong>An\u00e1lise de \u03b4<sup>2<\/sup>H e \u03b4<sup>18<\/sup>O em \u00e1gua<\/strong><\/p><p>Para an\u00e1lise de \u03b4<sup>2<\/sup>H, a amostra \u00e9 adicionada em tubo de vidro de 10 ml fechado, com tampa pl\u00e1stica e septo de silicone contendo um catalisador de Platina, e mantida a uma temperatura controlada de 25\u00b0C. Passa por procedimento de <em>Flush<\/em> para substituir ar atmosf\u00e9rico por um g\u00e1s especial (mistura H<sub>2<\/sub>\/He) de alta pureza. O fluxo \u00e9 mantido por 5 minutos e a rea\u00e7\u00e3o de equil\u00edbrio ocorre por 40 minutos.\u00a0<\/p><p>Para an\u00e1lise de \u03b4<sup>18<\/sup>O, a amostra \u00e9 adicionada em tubo de vidro de 10 ml fechado, com tampa pl\u00e1stica e septo de silicone, e mantida a uma temperatura controlada de 25\u00b0C. Passa por procedimento de <em>Flush<\/em> para substituir ar atmosf\u00e9rico por um g\u00e1s especial (mistura CO<sub>2<\/sub>\/He) de alta pureza. O fluxo \u00e9 mantido por 5 minutos e a rea\u00e7\u00e3o de equil\u00edbrio ocorre por 18 horas.<\/p><p>Os gases s\u00e3o analisados no Espectr\u00f4metro de Massas de Raz\u00f5es Isot\u00f3picas (IRMS) &#8211; DELTA ADVANTAGE V (Thermo Scientific). Materiais de Refer\u00eancia variados e o VSMOW (<em>Vienna Standard Mean Ocean Water<\/em>) s\u00e3o utilizados para monitoramento de varia\u00e7\u00f5es instrumentais e de qualidade. Os resultados s\u00e3o tratados e normalizados utilizando a escala do Material de Refer\u00eancia VSMOW (<em>Vienna Standard Mean Ocean Water<\/em>).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div id=\"e-n-tab-content-1483542782\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-1483542782\" data-tab-index=\"2\" style=\"--n-tabs-title-order: 2;\" class=\" elementor-element elementor-element-7191e0b e-con-full e-flex e-con e-child\" data-id=\"7191e0b\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-060ce3a elementor-widget elementor-widget-text-editor\" data-id=\"060ce3a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Para pedidos de or\u00e7amento do Microsc\u00f3pio Eletr\u00f4nico de Varredura (MEV) ou pedido de agendamento, favor preencher o <a href=\"https:\/\/docs.google.com\/forms\/d\/1ZONXwziD9HRr-1jX-OmJbw72juhlLODzNqmaPqmaVG8\/edit\"><strong>formul\u00e1rio eletr\u00f4nico de solicita\u00e7\u00e3o de sess\u00e3o MEV.<\/strong><\/a><\/p><p>Para sess\u00f5es a serem pagas com emiss\u00e3o de nota fiscal via Funda\u00e7\u00e3o da Universidade Federal do Rio Grande do Sul (FAURGS), o pr\u00f3prio <a href=\"https:\/\/docs.google.com\/forms\/d\/1ZONXwziD9HRr-1jX-OmJbw72juhlLODzNqmaPqmaVG8\/edit\"><strong>formul\u00e1rio eletr\u00f4nico de solicita\u00e7\u00e3o de sess\u00e3o MEV<\/strong><\/a> tem campos para preenchimento dos dados necess\u00e1rios. A nota fiscal s\u00f3 ser\u00e1 emitida ap\u00f3s autoriza\u00e7\u00e3o e confirma\u00e7\u00e3o por email.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div id=\"e-n-tab-content-1483542783\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-1483542783\" data-tab-index=\"3\" style=\"--n-tabs-title-order: 3;\" class=\" elementor-element elementor-element-4d1ae67 e-flex e-con-boxed e-con e-child\" data-id=\"4d1ae67\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-56c6b43 elementor-widget elementor-widget-text-editor\" data-id=\"56c6b43\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Para pedidos de or\u00e7amento ou formaliza\u00e7\u00e3o de pedido de an\u00e1lises, favor preencher o <a href=\"https:\/\/docs.google.com\/forms\/d\/1fnQ14Bp6K98Cg34KxRAABvzux90xknZS6qSAh-1ejlY\/edit\"><strong>formul\u00e1rio eletr\u00f4nico de solicita\u00e7\u00e3o de an\u00e1lise.<\/strong><\/a><\/p><p>Para formaliza\u00e7\u00e3o de pedido de an\u00e1lises, \u00e9 OBRIGAT\u00d3RIO preenchimento e o envio da <a href=\"https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2024\/08\/Planilha_Entrada_de_Amostras-LGI_2024.docx\"><strong>planilha de dados com identifica\u00e7\u00e3o das amostras<\/strong><\/a> (arquivo .docx ou .pdf) no campo apropriado no formul\u00e1rio eletr\u00f4nico de solicita\u00e7\u00e3o de an\u00e1lise. Sugerimos baixar e preencher a planilha antes de iniciar o preenchimento do formul\u00e1rio eletr\u00f4nico a fim de evitar poss\u00edveis problemas com a submiss\u00e3o.<\/p><p>Para an\u00e1lises a serem pagas com emiss\u00e3o de nota fiscal via Funda\u00e7\u00e3o da Universidade Federal do Rio Grande do Sul (FAURGS), o pr\u00f3prio\u00a0 <a href=\"https:\/\/docs.google.com\/forms\/d\/1fnQ14Bp6K98Cg34KxRAABvzux90xknZS6qSAh-1ejlY\/edit\"><strong>formul\u00e1rio eletr\u00f4nico de solicita\u00e7\u00e3o<\/strong> <strong>de an\u00e1lise<\/strong><\/a> tem campos para preenchimento dos dados necess\u00e1rios. A nota fiscal s\u00f3 ser\u00e1 emitida ap\u00f3s autoriza\u00e7\u00e3o e confirma\u00e7\u00e3o por email.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div id=\"e-n-tab-content-1483542784\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-1483542784\" data-tab-index=\"4\" style=\"--n-tabs-title-order: 4;\" class=\" elementor-element elementor-element-48a6aea e-con-full e-flex e-con e-child\" data-id=\"48a6aea\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-760dcad elementor-widget elementor-widget-text-editor\" data-id=\"760dcad\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: right;\"><a href=\"https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2025\/08\/Tabela-de-precos-LGI-2025.pdf\" target=\"_blank\" rel=\"noopener\"><strong>Vers\u00e3o para download &#8211; clique para baixar<\/strong><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-29e2dae elementor-widget elementor-widget-html\" data-id=\"29e2dae\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<object data=\"https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2025\/08\/Tabela-de-precos-LGI-2025.pdf\" type=\"application\/pdf\" width=\"100%\" height=\"500px\">\n      <p>N\u00e3o foi poss\u00edvel carregar a visualiza\u00e7\u00e3o do arquivo PDF. <a href=\"https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2025\/08\/Tabela-de-precos-LGI-2025.pdf\">Download<\/a> instead.<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f08c239 elementor-hidden-desktop elementor-widget elementor-widget-text-editor\" data-id=\"f08c239\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: right;\">\u00a0<\/p><p><a href=\"https:\/\/www.ufrgs.br\/igeo\/wp-content\/uploads\/2025\/08\/Tabela-de-precos-LGI-2025.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\" data-toolbar=\"bottom\" data-toolbar-fixed=\"off\">Tabela de pre\u00e7os LGI 2025<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>home lgi institucional pessoas infraestrutura servi\u00e7os parceiros e apoios contato O Laborat\u00f3rio de Geologia Isot\u00f3pica realiza an\u00e1lises isot\u00f3picas e servi\u00e7os de Microscopia Eletr\u00f4nica de Varredura (MEV). Ainda, disponibiliza acesso a equipamentos de Microscopia \u00d3ptica.\u00a0 As an\u00e1lises isot\u00f3picas oferecidas em rotina no momento s\u00e3o:\u00a0 Determina\u00e7\u00e3o da raz\u00e3o isot\u00f3pica\u00a087Sr\/86Sr Determina\u00e7\u00e3o da raz\u00e3o isot\u00f3pica\u00a0143Nd\/144Nd Determina\u00e7\u00e3o das raz\u00f5es isot\u00f3picas\u00a0147Sm\/144Nd [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":2309,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3436","page","type-page","status-publish","hentry"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Servi\u00e7os - Instituto de Geoci\u00eancias<\/title>\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.ufrgs.br\/igeo\/institucional\/organizacao\/laboratorios\/cpgq-main\/lgi\/servicos\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Servi\u00e7os - Instituto de Geoci\u00eancias\" \/>\n<meta property=\"og:description\" content=\"home lgi institucional pessoas infraestrutura servi\u00e7os parceiros e apoios contato O Laborat\u00f3rio de Geologia Isot\u00f3pica realiza an\u00e1lises isot\u00f3picas e servi\u00e7os de Microscopia Eletr\u00f4nica de Varredura (MEV). Ainda, disponibiliza acesso a equipamentos de Microscopia \u00d3ptica.\u00a0 As an\u00e1lises isot\u00f3picas oferecidas em rotina no momento s\u00e3o:\u00a0 Determina\u00e7\u00e3o da raz\u00e3o isot\u00f3pica\u00a087Sr\/86Sr Determina\u00e7\u00e3o da raz\u00e3o isot\u00f3pica\u00a0143Nd\/144Nd Determina\u00e7\u00e3o das raz\u00f5es isot\u00f3picas\u00a0147Sm\/144Nd [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ufrgs.br\/igeo\/institucional\/organizacao\/laboratorios\/cpgq-main\/lgi\/servicos\/\" \/>\n<meta property=\"og:site_name\" content=\"Instituto de Geoci\u00eancias\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-23T14:01:47+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data1\" content=\"15 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.ufrgs.br\/igeo\/institucional\/organizacao\/laboratorios\/cpgq-main\/lgi\/servicos\/\",\"url\":\"https:\/\/www.ufrgs.br\/igeo\/institucional\/organizacao\/laboratorios\/cpgq-main\/lgi\/servicos\/\",\"name\":\"Servi\u00e7os - 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