{"id":3308,"date":"2022-06-17T06:14:09","date_gmt":"2022-06-17T04:14:09","guid":{"rendered":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/?p=3308"},"modified":"2022-06-17T06:14:09","modified_gmt":"2022-06-17T04:14:09","slug":"dosage-vitamine-c-par-le-diiode","status":"publish","type":"post","link":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/2022\/06\/17\/dosage-vitamine-c-par-le-diiode\/","title":{"rendered":"Dosage vitamine C par le diiode"},"content":{"rendered":"<p>&nbsp;<\/p>\n<a href=\"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-content\/uploads\/2022\/01\/vit-c-i2.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\" data-toolbar=\"bottom\" data-toolbar-fixed=\"off\">vit c i2<\/a> <a href=\"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-content\/uploads\/2022\/01\/vit-c-i2.pdf\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2835\" src=\"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-content\/uploads\/2022\/01\/logo-pdf-telech.png\" alt=\"\" width=\"33\" height=\"33\" srcset=\"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-content\/uploads\/2022\/01\/logo-pdf-telech.png 339w, https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-content\/uploads\/2022\/01\/logo-pdf-telech-300x300.png 300w, https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-content\/uploads\/2022\/01\/logo-pdf-telech-150x150.png 150w\" sizes=\"auto, (max-width: 33px) 100vw, 33px\" \/><\/a><\/p>\n<p>Mes r\u00e9sultats:<\/p>\n<p>Essais ann\u00e9es 2018 : 4 comprim\u00e9s dans 1L : C<sub>I2<\/sub>=4.10<sup>-2<\/sup>mol\/L Veq=11.1mL donc C<sub>ac.as<\/sub>=4.10-2&#215;11.1\/20=2.22.10-2mol\/L donc C=x176.12=3.91g\/L j\u2019ai mis 4 comprim\u00e9s de 1g dans 1L donc Ecart relatif (m<sub>titr\u00e9<\/sub>-m<sub>th<\/sub>)\/m<sub>th<\/sub>=(3.91-4)\/4=2.25%&lt;5% donc \u00e9cart acceptable<\/p>\n<p>&nbsp;<\/p>\n<p>Essais ann\u00e9es 2019\u00a0: C<sub>I2<\/sub>=5.125.10<sup>-2<\/sup>mol\/L Veq=12.1mL donc C<sub>ac.as<\/sub>=5,125.10-2&#215;12.1\/20=3.1.10-2mol\/L donc C=x176.12=5.45g\/L j\u2019ai mis 5 comprim\u00e9s de 1g dans 1L donc Ecart relatif (m<sub>titr\u00e9<\/sub>-m<sub>th<\/sub>)\/m<sub>th<\/sub>=(5.45-5)\/5=9%&gt;5% donc \u00e9cart limite<\/p>\n<p>&nbsp;<\/p>\n<p>Essai 2020\u00a0: C<sub>I2<\/sub>=5.10<sup>-2<\/sup>mol\/L Veq=11.2mL donc C<sub>ac.as<\/sub>=5.10-2&#215;11.2\/20=2.8.10-2mol\/L donc C=x176.12=4\u00a0;928g\/L j\u2019ai mis 5 comprim\u00e9s de 1g dans 1L donc Ecart relatif (m<sub>titr\u00e9<\/sub>-m<sub>th<\/sub>)\/m<sub>th<\/sub>=(4.928-5)\/5=1.44%&lt;5% donc \u00e9cart acceptable<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Mes r\u00e9sultats: Essais ann\u00e9es 2018 : 4 comprim\u00e9s dans 1L : CI2=4.10-2mol\/L Veq=11.1mL donc Cac.as=4.10-2&#215;11.1\/20=2.22.10-2mol\/L donc C=x176.12=3.91g\/L j\u2019ai mis 4 comprim\u00e9s de 1g dans 1L donc Ecart relatif (mtitr\u00e9-mth)\/mth=(3.91-4)\/4=2.25%&lt;5% donc \u00e9cart acceptable &nbsp; Essais ann\u00e9es 2019\u00a0: CI2=5.125.10-2mol\/L Veq=12.1mL donc Cac.as=5,125.10-2&#215;12.1\/20=3.1.10-2mol\/L donc C=x176.12=5.45g\/L j\u2019ai mis 5 comprim\u00e9s de 1g dans 1L donc Ecart relatif (mtitr\u00e9-mth)\/mth=(5.45-5)\/5=9%&gt;5% &hellip; <a href=\"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/2022\/06\/17\/dosage-vitamine-c-par-le-diiode\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Dosage vitamine C par le diiode<\/span>  <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3308","post","type-post","status-publish","format-standard","hentry","category-non-classe"],"_links":{"self":[{"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/posts\/3308","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/comments?post=3308"}],"version-history":[{"count":2,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/posts\/3308\/revisions"}],"predecessor-version":[{"id":4299,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/posts\/3308\/revisions\/4299"}],"wp:attachment":[{"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/media?parent=3308"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/categories?post=3308"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/tags?post=3308"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}