{"id":5981,"date":"2022-05-06T13:06:04","date_gmt":"2022-05-06T11:06:04","guid":{"rendered":"https:\/\/www.hdebalzac.fr\/?p=5981"},"modified":"2022-05-06T13:06:05","modified_gmt":"2022-05-06T11:06:05","slug":"controler-la-qualite-de-comprimes-vitamines-en-2nde-professionnel-laboratoire-controle-qualite","status":"publish","type":"post","link":"https:\/\/www.hdebalzac.fr\/index.php\/2022\/05\/06\/controler-la-qualite-de-comprimes-vitamines-en-2nde-professionnel-laboratoire-controle-qualite\/","title":{"rendered":"Contr\u00f4ler la qualit\u00e9 de comprim\u00e9s vitamin\u00e9s en 2nde Professionnel Laboratoire Contr\u00f4le Qualit\u00e9"},"content":{"rendered":"\n<p class=\"has-black-color has-text-color has-medium-font-size wp-block-paragraph\">Les \u00e9l\u00e8ves de seconde professionnelle Alimentation Bio-Industries et Laboratoire ont fabriqu\u00e9 des comprim\u00e9s vitamin\u00e9s et en ont contr\u00f4l\u00e9 la qualit\u00e9 lors des TPR (Travaux Pratiques Renforc\u00e9s). <\/p>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><video controls src=\"https:\/\/www.hdebalzac.fr\/wp-content\/uploads\/2022\/04\/TPR_L0_2022_Comprimes.mp4\"><\/video><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"has-vivid-cyan-blue-color has-text-color has-medium-font-size wp-block-paragraph\"><strong>Contr\u00f4le de l&rsquo;homog\u00e9n\u00e9it\u00e9 du m\u00e9lange<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted has-black-color has-text-color has-medium-font-size\">Les comprim\u00e9s vitamin\u00e9s sont constitu\u00e9s d'un m\u00e9lange de poudres (cellulose, st\u00e9arate de magn\u00e9sium et vitamine C).\n\nLes \u00e9l\u00e8ves proc\u00e8dent au contr\u00f4le de l'homog\u00e9n\u00e9it\u00e9 du m\u00e9lange pour v\u00e9rifier la r\u00e9partition r\u00e9guli\u00e8re et uniforme de la vitamine C dans le m\u00e9lange.\n\nIls utilisent des techniques courantes de laboratoire.<\/pre>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide has-media-on-the-right is-stacked-on-mobile\" style=\"grid-template-columns:auto 40%\"><figure class=\"wp-block-media-text__media\"><img fetchpriority=\"high\" decoding=\"async\" width=\"576\" height=\"1024\" src=\"https:\/\/www.hdebalzac.fr\/wp-content\/uploads\/2022\/04\/TPR_L0_2022_Comprimes-2.jpg\" alt=\"\" class=\"wp-image-6162 size-full\" srcset=\"https:\/\/www.hdebalzac.fr\/wp-content\/uploads\/2022\/04\/TPR_L0_2022_Comprimes-2.jpg 576w, https:\/\/www.hdebalzac.fr\/wp-content\/uploads\/2022\/04\/TPR_L0_2022_Comprimes-2-169x300.jpg 169w\" sizes=\"(max-width: 576px) 100vw, 576px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"has-vivid-green-cyan-color has-text-color has-medium-font-size wp-block-paragraph\"><strong>Techniques de pr\u00e9paration<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted has-black-color has-text-color has-medium-font-size\">Les \u00e9l\u00e8ves pr\u00e9l\u00e8vent des \u00e9chantillons en trois points du m\u00e9langeur cubique.\n\nIls p\u00e8sent l'\u00e9chantillon sur une balance de pr\u00e9cision puis le diluent dans une fiole jaug\u00e9e, pr\u00e9l\u00e8vent un volume pr\u00e9cis avec une pipette jaug\u00e9e et le dosent par une r\u00e9action chimique \u00e0 l'aide d'une burette.\n\nIls expriment les r\u00e9sultats en calculant la teneur en vitamine C de l'\u00e9chantillon analys\u00e9 et d\u00e9duisent la conformit\u00e9 du m\u00e9lange (teneur et homog\u00e9n\u00e9it\u00e9).<\/pre>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:40% auto\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" width=\"576\" height=\"1024\" src=\"https:\/\/www.hdebalzac.fr\/wp-content\/uploads\/2022\/04\/TPR_L0_2022_Comprimes-1.jpg\" alt=\"\" class=\"wp-image-6161 size-full\" srcset=\"https:\/\/www.hdebalzac.fr\/wp-content\/uploads\/2022\/04\/TPR_L0_2022_Comprimes-1.jpg 576w, https:\/\/www.hdebalzac.fr\/wp-content\/uploads\/2022\/04\/TPR_L0_2022_Comprimes-1-169x300.jpg 169w\" sizes=\"(max-width: 576px) 100vw, 576px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"has-vivid-purple-color has-text-color has-medium-font-size wp-block-paragraph\"><strong>Techniques d&rsquo;analyse<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted has-black-color has-text-color has-medium-font-size\">L'analyse est bas\u00e9e sur les propri\u00e9t\u00e9s de la vitamine C : un acide faible et r\u00e9ducteur.\n\nLes \u00e9l\u00e8ves identifient et quantifient la vitamine C contenue dans l'\u00e9chantillon par une r\u00e9action chimique d'oxydo-r\u00e9duction.\n\nLa vitamine C r\u00e9agit avec le DCPIP (dichloro-ph\u00e9nol-indoph\u00e9nol).\n\nA l'\u00e9quivalence, la solution vire au rose p\u00e2le.<\/pre>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Les \u00e9l\u00e8ves de seconde professionnelle Alimentation Bio-Industries et Laboratoire ont fabriqu\u00e9 des comprim\u00e9s vitamin\u00e9s et en ont contr\u00f4l\u00e9 la qualit\u00e9 lors des TPR (Travaux Pratiques Renforc\u00e9s). Contr\u00f4le de l&rsquo;homog\u00e9n\u00e9it\u00e9 du [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":6164,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"0","ocean_second_sidebar":"0","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"0","ocean_custom_header_template":"0","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"0","ocean_menu_typo_font_family":"0","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"0","omw_enable_modal_window":"enable","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"off","ocean_gallery_id":[],"footnotes":""},"categories":[3],"tags":[35],"class_list":["post-5981","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-formation","tag-tpr","entry","has-media"],"jetpack_featured_media_url":"https:\/\/www.hdebalzac.fr\/wp-content\/uploads\/2022\/04\/TPR_L0_2022_Comprimes-3.jpg","views":"","publishpress_future_action":{"enabled":false,"date":"2026-06-01 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