{"id":40,"date":"2019-07-31T09:43:58","date_gmt":"2019-07-31T12:43:58","guid":{"rendered":"https:\/\/www.ufsm.br\/laboratorios\/lfrx\/?page_id=40"},"modified":"2019-07-31T09:44:00","modified_gmt":"2019-07-31T12:44:00","slug":"geo-quant-t","status":"publish","type":"page","link":"https:\/\/www.ufsm.br\/laboratorios\/lfrx\/geo-quant-t","title":{"rendered":"GEO-QUANT T"},"content":{"rendered":"\n<p>GEO-QUANT T \u00e9 um pacote de an\u00e1lise comprado do Bruker para a determina\u00e7\u00e3o de n\u00edveis tra\u00e7as de elementos em amostras geol\u00f3gicas.\u00a0<\/p>\n<h6>Prepara\u00e7\u00e3o<\/h6>\n<p>\u00c9 muito importante segue os passos da prepara\u00e7\u00e3o exatamente como descritos para ter uma an\u00e1lise confi\u00e1vel e reprodut\u00edvel.\u00a0<\/p>\n<ul>\n<li>Pesar 9,00 g da amostra usando uma balan\u00e7a com precis\u00e3o de 0,01 g.<\/li>\n<li>Sempre use vasos de\u00a0moagem limpos para evitar\u00a0contamina\u00e7\u00e3o cruzada.<\/li>\n<li>Transferir a amostra ao vaso de moagem limpo e adicionar 9 pastilhas GEO-QUANT (&#8220;Mahlhilfe&#8221;), ~2,7 g.<\/li>\n<li>Fechar a tampa do vaso e triturar a amostra. A finura final deve ser &lt; 50\u00a0\u03bcm.<\/li>\n<li>Transferir 10,0 g do p\u00f3 mo\u00eddo \u00e0 forma de 40 mm de alum\u00ednio para fazer a pastilha.<\/li>\n<li>Colocar a forma na imprensa e compactar a 15 t para 2 minutos.<\/li>\n<li>A pastilha est\u00e1 pronta para an\u00e1lise.<\/li>\n<\/ul>\n<h6>Elements\u00a0<\/h6>\n<p>O pacote determina as teores de 27 elementos at\u00e9 sub-ppm na amostra original. Cuidar se a concentra\u00e7\u00e3o m\u00e1xima excede os limites, a an\u00e1lise n\u00e3o \u00e9 confi\u00e1vel.<\/p>\n<table>\n<thead>\n<tr align=\"center\" valign=\"middle\">\n<td><strong>\u00a0Analita<\/strong><\/td>\n<td>\n<p><strong>RSD<\/strong><br \/><strong>[ppm]\u00a0<\/strong><\/p>\n<\/td>\n<td><strong>Tempo para<\/strong><br \/><strong>medir\u00a0<br \/>[s]<\/strong><\/td>\n<td><strong>Limite de<\/strong><br \/><strong>Detec\u00e7\u00e3o\u00a0<br \/>[ppm]<\/strong><\/td>\n<td><strong>Concentra\u00e7\u00e3o<\/strong><br \/><strong>M\u00e1xima\u00a0<br \/>[ppm]<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr align=\"center\" valign=\"middle\">\n<td>\u00a0Sc<\/td>\n<td>2\u00a0<\/td>\n<td>40\u00a0<\/td>\n<td>1,6\u00a0<\/td>\n<td>60<\/td>\n<\/tr>\n<tr align=\"center\" valign=\"middle\">\n<td>\u00a0TiO<sub>2<\/sub><\/td>\n<td>0,052 %\u00a0<\/td>\n<td>6\u00a0<\/td>\n<td>\u00a0<\/td>\n<td>2,60 %<\/td>\n<\/tr>\n<tr align=\"center\" valign=\"middle\">\n<td>V\u00a0<\/td>\n<td>11\u00a0<\/td>\n<td>60\u00a0<\/td>\n<td>\u00a01,4<\/td>\n<td>340<\/td>\n<\/tr>\n<tr align=\"center\" valign=\"middle\">\n<td>Cr<\/td>\n<td>12<\/td>\n<td>40<\/td>\n<td>3,3<\/td>\n<td>24000<\/td>\n<\/tr>\n<tr align=\"center\" valign=\"middle\">\n<td>MnO<\/td>\n<td>0,016 %<\/td>\n<td>6<\/td>\n<td>\u00a0<\/td>\n<td>1,30 %<\/td>\n<\/tr>\n<tr align=\"center\" valign=\"middle\">\n<td>Fe<sub>2<\/sub>O<sub>3<\/sub><\/td>\n<td>0,42 %<\/td>\n<td>20<\/td>\n<td>\u00a0<\/td>\n<td>25,7 %<\/td>\n<\/tr>\n<tr align=\"center\" valign=\"middle\">\n<td>Co<\/td>\n<td>4<\/td>\n<td>60<\/td>\n<td>2,2<\/td>\n<td>700<\/td>\n<\/tr>\n<tr align=\"center\" valign=\"middle\">\n<td>Ni<\/td>\n<td>6<\/td>\n<td>30<\/td>\n<td>1,5<\/td>\n<td>2640<\/td>\n<\/tr>\n<tr align=\"center\" valign=\"middle\">\n<td>Cu<\/td>\n<td>7<\/td>\n<td>30<\/td>\n<td>4,7<\/td>\n<td>5400<\/td>\n<\/tr>\n<tr align=\"center\" valign=\"middle\">\n<td>Zn<\/td>\n<td>11<\/td>\n<td>30<\/td>\n<td>3,8<\/td>\n<td>1310<\/td>\n<\/tr>\n<tr align=\"center\" valign=\"middle\">\n<td>Ga<\/td>\n<td>3<\/td>\n<td>60<\/td>\n<td>0,7<\/td>\n<td>400<\/td>\n<\/tr>\n<tr align=\"center\" valign=\"middle\">\n<td>As<\/td>\n<td>5<\/td>\n<td>100<\/td>\n<td>2,9<\/td>\n<td>330<\/td>\n<\/tr>\n<tr align=\"center\" valign=\"middle\">\n<td>Rb<\/td>\n<td>7<\/td>\n<td>20<\/td>\n<td>0,9<\/td>\n<td>1300<\/td>\n<\/tr>\n<tr align=\"center\" valign=\"middle\">\n<td>Sr<\/td>\n<td>13<\/td>\n<td>20<\/td>\n<td>0,9<\/td>\n<td>1650<\/td>\n<\/tr>\n<tr align=\"center\" valign=\"middle\">\n<td>Y<\/td>\n<td>3<\/td>\n<td>20<\/td>\n<td>6,5<\/td>\n<td>800<\/td>\n<\/tr>\n<tr align=\"center\" valign=\"middle\">\n<td>Zr<\/td>\n<td>12<\/td>\n<td>20<\/td>\n<td>4,9<\/td>\n<td>550<\/td>\n<\/tr>\n<tr align=\"center\" valign=\"middle\">\n<td>Nb<\/td>\n<td>3<\/td>\n<td>20<\/td>\n<td>0,6<\/td>\n<td>700<\/td>\n<\/tr>\n<tr align=\"center\" valign=\"middle\">\n<td>Mo<\/td>\n<td>2<\/td>\n<td>20<\/td>\n<td>1,0<\/td>\n<td>700<\/td>\n<\/tr>\n<tr align=\"center\" valign=\"middle\">\n<td>Sn<\/td>\n<td>3<\/td>\n<td>60<\/td>\n<td>3,1<\/td>\n<td>1300<\/td>\n<\/tr>\n<tr align=\"center\" valign=\"middle\">\n<td>Sb<\/td>\n<td>3<\/td>\n<td>60<\/td>\n<td>1,7<\/td>\n<td>122<\/td>\n<\/tr>\n<tr align=\"center\" valign=\"middle\">\n<td>Cs<\/td>\n<td>4<\/td>\n<td>60<\/td>\n<td>4,7<\/td>\n<td>260<\/td>\n<\/tr>\n<tr align=\"center\" valign=\"middle\">\n<td>Ba<\/td>\n<td>37<\/td>\n<td>60<\/td>\n<td>5,0<\/td>\n<td>4000<\/td>\n<\/tr>\n<tr align=\"center\" valign=\"middle\">\n<td>La<\/td>\n<td>8<\/td>\n<td>60<\/td>\n<td>5,2<\/td>\n<td>1340<\/td>\n<\/tr>\n<tr align=\"center\" valign=\"middle\">\n<td>Ce<\/td>\n<td>15<\/td>\n<td>60<\/td>\n<td>4,0<\/td>\n<td>2230<\/td>\n<\/tr>\n<tr align=\"center\" valign=\"middle\">\n<td>Pb<\/td>\n<td>10<\/td>\n<td>100<\/td>\n<td>1,5<\/td>\n<td>5500<\/td>\n<\/tr>\n<tr align=\"center\" valign=\"middle\">\n<td>Th<\/td>\n<td>4<\/td>\n<td>100<\/td>\n<td>12,6<\/td>\n<td>1003<\/td>\n<\/tr>\n<tr align=\"center\" valign=\"middle\">\n<td>U<\/td>\n<td>5<\/td>\n<td>100<\/td>\n<td>1,5<\/td>\n<td>650<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>GEO-QUANT T \u00e9 um pacote de an\u00e1lise comprado do Bruker para a determina\u00e7\u00e3o de n\u00edveis tra\u00e7as de elementos em amostras geol\u00f3gicas.\u00a0 Prepara\u00e7\u00e3o \u00c9 muito importante segue os passos da prepara\u00e7\u00e3o exatamente como descritos para ter uma an\u00e1lise confi\u00e1vel e reprodut\u00edvel.\u00a0 Pesar 9,00 g da amostra usando uma balan\u00e7a com precis\u00e3o de 0,01 g. Sempre use [&hellip;]<\/p>\n","protected":false},"author":115,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-40","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.ufsm.br\/laboratorios\/lfrx\/wp-json\/wp\/v2\/pages\/40","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ufsm.br\/laboratorios\/lfrx\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.ufsm.br\/laboratorios\/lfrx\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.ufsm.br\/laboratorios\/lfrx\/wp-json\/wp\/v2\/users\/115"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ufsm.br\/laboratorios\/lfrx\/wp-json\/wp\/v2\/comments?post=40"}],"version-history":[{"count":0,"href":"https:\/\/www.ufsm.br\/laboratorios\/lfrx\/wp-json\/wp\/v2\/pages\/40\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.ufsm.br\/laboratorios\/lfrx\/wp-json\/wp\/v2\/media?parent=40"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ufsm.br\/laboratorios\/lfrx\/wp-json\/wp\/v2\/categories?post=40"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ufsm.br\/laboratorios\/lfrx\/wp-json\/wp\/v2\/tags?post=40"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}