{"id":2457,"date":"2021-12-08T08:41:58","date_gmt":"2021-12-08T07:41:58","guid":{"rendered":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/?p=2457"},"modified":"2022-01-05T10:51:49","modified_gmt":"2022-01-05T09:51:49","slug":"dosage-dun-lait","status":"publish","type":"post","link":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/2021\/12\/08\/dosage-dun-lait\/","title":{"rendered":"Dosage d&#8217;un lait"},"content":{"rendered":"<a href=\"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-content\/uploads\/2021\/12\/Determiner-la-fraicheur-d.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\" data-toolbar=\"bottom\" data-toolbar-fixed=\"off\">D\u00e9terminer la fraicheur d<\/a>\n<p>Si vous utilisez notre document, n&#8217;oubliez pas de nous citer!<\/p>\n<p><a href=\"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-content\/uploads\/2021\/12\/Determiner-la-fraicheur-d.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=\"99\" height=\"99\" 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: 99px) 100vw, 99px\" \/><\/a><\/p>\n<p>Petite astuce: comme le lait est blanc (alors l\u00e0 je viens de vous apprendre un truc!) le changement de couleur n&#8217;est pas hyper visible. Donc je triche (bouhhhhh) j&#8217;utilise de l&#8217;acide lactique de concentration 0,025mol\/L \u00e0 la place du Lait. Certains enseignants disent aux \u00e9l\u00e8ves que l&#8217;on a distill\u00e9 le lait pour n&#8217;avoir que l&#8217;acide lactique (oui oui \u00e7a passe, je vous promets!)<\/p>\n<p>&nbsp;<\/p>\n<p>Mes r\u00e9sultats: Veq=9,5mL<\/p>\n<p>C0=0,05&#215;9,5&#215;90\/20=2,14g\/L donc D=2,1\/0,1=21\u00b0D donc le lait n&#8217;est plus frais<\/p>\n<p>&nbsp;<\/p>\n<p>Bien \u00e9videmment vous pouvez jouer sur la concentration de l&#8217;acide lactique pour que votre lait soit plus ou moins frais !<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Si vous utilisez notre document, n&#8217;oubliez pas de nous citer! Petite astuce: comme le lait est blanc (alors l\u00e0 je viens de vous apprendre un truc!) le changement de couleur n&#8217;est pas hyper visible. Donc je triche (bouhhhhh) j&#8217;utilise de l&#8217;acide lactique de concentration 0,025mol\/L \u00e0 la place du Lait. Certains enseignants disent aux \u00e9l\u00e8ves &hellip; <a href=\"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/2021\/12\/08\/dosage-dun-lait\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Dosage d&#8217;un lait<\/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":[1,58],"tags":[],"class_list":["post-2457","post","type-post","status-publish","format-standard","hentry","category-non-classe","category-physique-chimie"],"_links":{"self":[{"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/posts\/2457","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=2457"}],"version-history":[{"count":5,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/posts\/2457\/revisions"}],"predecessor-version":[{"id":2853,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/posts\/2457\/revisions\/2853"}],"wp:attachment":[{"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/media?parent=2457"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/categories?post=2457"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/tags?post=2457"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}