{"id":2377,"date":"2021-12-07T08:49:43","date_gmt":"2021-12-07T07:49:43","guid":{"rendered":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/?p=2377"},"modified":"2023-01-13T11:31:59","modified_gmt":"2023-01-13T10:31:59","slug":"recette-tricherie-reconnaissance-de-fonctions","status":"publish","type":"post","link":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/2021\/12\/07\/recette-tricherie-reconnaissance-de-fonctions\/","title":{"rendered":"Recette Tricherie reconnaissance de fonctions"},"content":{"rendered":"<p>Comme parfois, bon ok souvent, au labo, je triche pour que les TP fonctionnent et ne soient pas dangereux .<\/p>\n<p>&nbsp;<\/p>\n<h1>C&#8217;est le cas du TP reconnaissance de fonctions des ALDEHYDES et des CETONES<\/h1>\n<p>&nbsp;<\/p>\n<p>Je r\u00e9alise 2 solutions inconnues:<\/p>\n<ul>\n<li>la solution A contenant du fructose et de la vanilline<\/li>\n<li>la solution B contenant uniquement de la vanilline<\/li>\n<\/ul>\n<p>Ces solutions sont r\u00e9alis\u00e9es a bisto de nas comme on dit dans la r\u00e9gion!<\/p>\n<p>Mais les r\u00e9sultats sont les suivants:<\/p>\n<table style=\"width: 100%; border-collapse: collapse; border-color: #f72b07;\">\n<tbody>\n<tr>\n<td style=\"width: 33.3333%; text-align: center;\"><\/td>\n<td style=\"width: 33.3333%; text-align: center;\">\n<h2>2,4-DNPH<\/h2>\n<\/td>\n<td style=\"width: 33.3333%; text-align: center;\">\n<h2>liqueur de Fehling<\/h2>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 33.3333%; text-align: center;\">\n<h2>A<\/h2>\n<\/td>\n<td style=\"width: 33.3333%; text-align: center;\">\n<h2>+<\/h2>\n<\/td>\n<td style=\"width: 33.3333%; text-align: center;\">\n<h2>+<\/h2>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 33.3333%; text-align: center;\">\n<h2>B<\/h2>\n<\/td>\n<td style=\"width: 33.3333%; text-align: center;\">\n<h2>+<\/h2>\n<\/td>\n<td style=\"width: 33.3333%; text-align: center;\">\n<h2>&#8211;<\/h2>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>En effet, la liqueur de Fehling, de couleur bleue, forme un pr\u00e9cipit\u00e9 ROUGE BRIQUE, lorsqu&#8217;elle est en pr\u00e9sence, dans un bain marie, d&#8217;un ald\u00e9hyde (r\u00e9sultat dit POSITIF) alors qu&#8217;elle reste bleue en pr\u00e9sence d&#8217;une c\u00e9tone.<\/p>\n<p>&nbsp;<\/p>\n<p>Voici la vid\u00e9o de l&#8217;oxydation m\u00e9nag\u00e9e des alcools:<\/p>\n<div style=\"width: 474px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-2377-1\" width=\"474\" height=\"267\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-content\/uploads\/2021\/12\/video_20230113_104552.mp4?_=1\" \/><a href=\"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-content\/uploads\/2021\/12\/video_20230113_104552.mp4\">https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-content\/uploads\/2021\/12\/video_20230113_104552.mp4<\/a><\/video><\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Comme parfois, bon ok souvent, au labo, je triche pour que les TP fonctionnent et ne soient pas dangereux . &nbsp; C&#8217;est le cas du TP reconnaissance de fonctions des ALDEHYDES et des CETONES &nbsp; Je r\u00e9alise 2 solutions inconnues: la solution A contenant du fructose et de la vanilline la solution B contenant uniquement &hellip; <a href=\"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/2021\/12\/07\/recette-tricherie-reconnaissance-de-fonctions\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Recette Tricherie reconnaissance de fonctions<\/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":[58,7],"tags":[],"class_list":["post-2377","post","type-post","status-publish","format-standard","hentry","category-physique-chimie","category-securite-au-labo"],"_links":{"self":[{"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/posts\/2377","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=2377"}],"version-history":[{"count":3,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/posts\/2377\/revisions"}],"predecessor-version":[{"id":4940,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/posts\/2377\/revisions\/4940"}],"wp:attachment":[{"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/media?parent=2377"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/categories?post=2377"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/tags?post=2377"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}