{"id":192995,"date":"2022-10-31T15:05:04","date_gmt":"2022-10-31T15:05:04","guid":{"rendered":"https:\/\/blog.hannaservice.eu\/determination-de-lacide-ascorbique-vitamine-c-dans-lindustrie-alimentaire-et-pharmaceutique\/"},"modified":"2022-11-01T12:16:27","modified_gmt":"2022-11-01T12:16:27","slug":"determination-de-lacide-ascorbique-vitamine-c-dans-lindustrie-alimentaire-et-pharmaceutique","status":"publish","type":"post","link":"https:\/\/blog.hannaservice.eu\/fr\/determination-de-lacide-ascorbique-vitamine-c-dans-lindustrie-alimentaire-et-pharmaceutique\/","title":{"rendered":"D\u00e9termination de l&rsquo;acide ascorbique (vitamine C) dans l&rsquo;industrie alimentaire et pharmaceutique"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"192995\" class=\"elementor elementor-192995 elementor-192763\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e370de9 elementor-section-height-min-height elementor-section-items-top elementor-hidden-mobile elementor-section-boxed elementor-section-height-default\" data-id=\"e370de9\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-57100f2\" data-id=\"57100f2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-e9657ab elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e9657ab\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-fa39488\" data-id=\"fa39488\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-97c2690 elementor-widget elementor-widget-text-editor\" data-id=\"97c2690\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Les vitamines sont<br \/> une n\u00e9cessit\u00e9 pour l&rsquo;homme<br \/> pour maintenir une bonne sant\u00e9.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-30cecee elementor-hidden-desktop elementor-hidden-tablet elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"30cecee\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6754028\" data-id=\"6754028\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-6681806 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6681806\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-26e8a84\" data-id=\"26e8a84\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-26a494c elementor-widget elementor-widget-text-editor\" data-id=\"26a494c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Les vitamines sont<br \/> une n\u00e9cessit\u00e9 pour l&rsquo;homme<br \/> pour maintenir une bonne sant\u00e9.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5a3a94a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5a3a94a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-253fece\" data-id=\"253fece\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-41f3007 elementor-widget elementor-widget-text-editor\" data-id=\"41f3007\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\tLes humains obtiennent des vitamines par leur alimentation car elles ne sont pas synth\u00e9tis\u00e9es dans le corps humain. L&rsquo;acide ascorbique, ou mieux connu sous le nom de vitamine C, est connu sous le nom de \u00ab\u00a0vitamine centrale\u00a0\u00bb. La vitamine C est un antioxydant qui aide \u00e0 pr\u00e9venir les l\u00e9sions tissulaires \u00e0 long terme. Il participe \u00e9galement \u00e0 la production de collag\u00e8ne, n\u00e9cessaire \u00e0 la sant\u00e9 de la peau, des cheveux et des dents.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1e412dd elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"1e412dd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-43d5938\" data-id=\"43d5938\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8462197 elementor-widget elementor-widget-image\" data-id=\"8462197\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"493\" height=\"293\" src=\"https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2022\/10\/Slika-2-15.jpg\" class=\"attachment-large size-large wp-image-192785\" alt=\"\" srcset=\"https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2022\/10\/Slika-2-15.jpg 493w, https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2022\/10\/Slika-2-15-300x178.jpg 300w\" sizes=\"(max-width: 493px) 100vw, 493px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-343a9e4 elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"343a9e4\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-e242aec\" data-id=\"e242aec\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-343673c elementor-widget elementor-widget-image\" data-id=\"343673c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"482\" height=\"338\" src=\"https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2022\/10\/Slika-3-13.jpg\" class=\"attachment-large size-large wp-image-192792\" alt=\"\" srcset=\"https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2022\/10\/Slika-3-13.jpg 482w, https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2022\/10\/Slika-3-13-300x210.jpg 300w\" sizes=\"(max-width: 482px) 100vw, 482px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-6034116\" data-id=\"6034116\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b22769c elementor-widget elementor-widget-text-editor\" data-id=\"b22769c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\tCependant, ce pour quoi la vitamine C est la plus connue est son r\u00f4le dans l&rsquo;am\u00e9lioration du syst\u00e8me immunitaire et dans la pr\u00e9vention des maladies. Selon l&rsquo;\u00e2ge et le sexe, la consommation quotidienne recommand\u00e9e de vitamine C varie de 75 \u00e0 120 mg. Une grande majorit\u00e9 de la vitamine C provient des agrumes tels que les oranges, les citrons verts, les citrons et les pamplemousses, mais la vitamine peut \u00e9galement \u00eatre trouv\u00e9e dans divers autres fruits et l\u00e9gumes.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-10ca6f6 elementor-hidden-mobile elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"10ca6f6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a47f6ea elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a47f6ea\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-61fa50c\" data-id=\"61fa50c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1f7df1b elementor-widget elementor-widget-text-editor\" data-id=\"1f7df1b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\tAu lieu de fruits et de l\u00e9gumes, les individus peuvent prendre des suppl\u00e9ments de vitamine C qui fournissent la vitamine essentielle sous forme synth\u00e9tique. Certains suppl\u00e9ments de vitamine C apportent un exc\u00e8s de vitamine C, entre 10 et 20 fois la dose minimale recommand\u00e9e.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2f971cd elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2f971cd\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9544047\" data-id=\"9544047\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0d365f6 elementor-widget elementor-widget-text-editor\" data-id=\"0d365f6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\tLa d\u00e9termination de la concentration de vitamine C dans une solution se fait principalement par titrage redox \u00e0 l&rsquo;aide d&rsquo;iode. Au fur et \u00e0 mesure que l&rsquo;iode est ajout\u00e9 pendant le titrage, l&rsquo;acide ascorbique est oxyd\u00e9 en acide d\u00e9hydroascorbique, tandis que l&rsquo;iode est r\u00e9duit en ions iodure.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-016c8eb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"016c8eb\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-330a32e\" data-id=\"330a32e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d42d0fe elementor-widget elementor-widget-image\" data-id=\"d42d0fe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"600\" height=\"32\" src=\"https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2022\/10\/Formula-600x32.png\" class=\"attachment-large size-large wp-image-192799\" alt=\"\" srcset=\"https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2022\/10\/Formula-600x32.png 600w, https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2022\/10\/Formula-300x16.png 300w, https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2022\/10\/Formula-768x42.png 768w, https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2022\/10\/Formula.png 1404w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-13c4cd2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"13c4cd2\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-83df446\" data-id=\"83df446\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-844dca2 elementor-widget elementor-widget-text-editor\" data-id=\"844dca2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\tEn raison de cette r\u00e9action, l&rsquo;iode form\u00e9 est imm\u00e9diatement r\u00e9duit en iodure tant qu&rsquo;il y a de l&rsquo;acide ascorbique pr\u00e9sent. Une fois que tout l&rsquo;acide ascorbique a \u00e9t\u00e9 oxyd\u00e9, l&rsquo;exc\u00e8s d&rsquo;iode est libre de r\u00e9agir avec l&rsquo;indicateur d&rsquo;amidon, formant le complexe bleu-noir amidon-iode. C&rsquo;est le point final du titrage. La m\u00e9thode convient pour une utilisation avec des comprim\u00e9s de vitamine C, des jus de fruits frais ou emball\u00e9s et des fruits et l\u00e9gumes solides.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e749a9f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e749a9f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-bff41d8\" data-id=\"bff41d8\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-63fdc70 elementor-widget elementor-widget-heading\" data-id=\"63fdc70\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">La pr\u00e9paration des \u00e9chantillons<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-b9a64aa\" data-id=\"b9a64aa\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-59f7fd8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"59f7fd8\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-df5fb82\" data-id=\"df5fb82\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3c2d217 elementor-widget elementor-widget-text-editor\" data-id=\"3c2d217\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<strong style=\"color: #fc9b23;\">Pour les comprim\u00e9s de vitamine C :<\/strong> Dissoudre un seul comprim\u00e9 dans 200 mL d&rsquo;eau distill\u00e9e (dans une fiole jaug\u00e9e si possible).\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f9227d5 elementor-widget elementor-widget-text-editor\" data-id=\"f9227d5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<strong style=\"color: #fc9b23;\">Pour les jus de fruits frais<\/strong> : Filtrer le jus \u00e0 travers du papier filtre pour enlever les p\u00e9pins et la pulpe.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-482c7bc elementor-widget elementor-widget-text-editor\" data-id=\"482c7bc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<strong style=\"color: #fc9b23;\">Pour les jus de fruits emball\u00e9s<\/strong> Il peut \u00e9galement \u00eatre n\u00e9cessaire de les filtrer \u00e0 travers du papier filtre s&rsquo;ils contiennent beaucoup de pulpe ou de p\u00e9pins.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-638314f elementor-widget elementor-widget-text-editor\" data-id=\"638314f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<strong style=\"color: #fc9b23;\">Pour les fruits et l\u00e9gumes<\/strong> : Coupez un \u00e9chantillon de 100 g en petits morceaux et broyez-les au mortier et au pilon. Ajouter plusieurs fois des portions de 10 ml d&rsquo;eau distill\u00e9e tout en broyant l&rsquo;\u00e9chantillon, en d\u00e9cantant \u00e0 chaque fois l&rsquo;extrait liquide dans une fiole jaug\u00e9e de 100 ml. Enfin, filtrez la pulpe de fruits\/l\u00e9gumes moulue \u00e0 travers du papier filtre, en rin\u00e7ant la pulpe avec quelques portions de 10 ml d&rsquo;eau et en recueillant tout le filtrat et les lavages dans la fiole jaug\u00e9e. Faire la solution extraite jusqu&rsquo;\u00e0 100 mL avec de l&rsquo;eau distill\u00e9e.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5bb082e elementor-widget elementor-widget-text-editor\" data-id=\"5bb082e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\tAlternativement, l&rsquo;\u00e9chantillon de 100 g de fruits ou de l\u00e9gumes peut \u00eatre m\u00e9lang\u00e9 dans un robot culinaire avec environ 50 ml d&rsquo;eau distill\u00e9e. Apr\u00e8s le m\u00e9lange, filtrer la p\u00e2te \u00e0 travers du papier filtre, la laver avec quelques portions de 10 ml d&rsquo;eau distill\u00e9e et faire la solution extraite jusqu&rsquo;\u00e0 100 ml dans une fiole jaug\u00e9e.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2c7341d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2c7341d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9fbc2d9\" data-id=\"9fbc2d9\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-961d5c4 elementor-widget elementor-widget-text-editor\" data-id=\"961d5c4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\tPour effectuer des titrages d&rsquo;acide ascorbique, vous aurez besoin du titrateur potentiom\u00e9trique automatique HI931.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-274dac3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"274dac3\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-acfbcb6\" data-id=\"acfbcb6\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0a6b3d0 elementor-widget elementor-widget-heading\" data-id=\"0a6b3d0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">HI931 <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3ee0d53 elementor-widget elementor-widget-text-editor\" data-id=\"3ee0d53\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\tTitrateur potentiom\u00e9trique automatique\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-226d3b7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"226d3b7\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-d64a34a\" data-id=\"d64a34a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5208a14 elementor-widget elementor-widget-text-editor\" data-id=\"5208a14\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\tLe titreur automatique HI931 est la r\u00e9ponse \u00e0 vos besoins de titrage d\u00e9di\u00e9. Enti\u00e8rement personnalisable, le HI931 offre des r\u00e9sultats pr\u00e9cis et une exp\u00e9rience utilisateur intuitive, le tout dans un bo\u00eetier compact. Titrez pour une vari\u00e9t\u00e9 de mesures en appuyant sur un bouton, y compris les acides, les bases, le redox et les ions s\u00e9lectifs. Aucune mise \u00e0 niveau de programmation suppl\u00e9mentaire \u00e0 acheter. Les seules choses dont vous avez besoin pour commencer \u00e0 utiliser le HI931 sont un capteur et un titrant.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2b92030 elementor-widget elementor-widget-text-editor\" data-id=\"2b92030\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li>Faible encombrement pour optimiser pleinement votre plan de travail.<\/li>\n<li>Pompe doseuse in\u00e9gal\u00e9e \u00e0 40 000 \u00e9tapes pour de petits volumes de titrant pour vous aider \u00e0 atteindre un point final tr\u00e8s pr\u00e9cis pour une plus grande coh\u00e9rence.<\/li>\n<li>Possibilit\u00e9 de stocker jusqu&rsquo;\u00e0 100 m\u00e9thodes.<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-beec7f8\" data-id=\"beec7f8\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-35806c4 elementor-widget elementor-widget-image\" data-id=\"35806c4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"455\" height=\"477\" src=\"https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2022\/10\/HI931.jpg\" class=\"attachment-large size-large wp-image-192807\" alt=\"\" srcset=\"https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2022\/10\/HI931.jpg 455w, https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2022\/10\/HI931-286x300.jpg 286w\" sizes=\"(max-width: 455px) 100vw, 455px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9cfbf62 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"9cfbf62\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-xl\" href=\"https:\/\/www.hannamaroc.com\/titrateur-potentiometrique-automatique-hi931-02-product\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">ACHETER<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-05cb437 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"05cb437\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-33792c5\" data-id=\"33792c5\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4c37caf elementor-widget elementor-widget-text-editor\" data-id=\"4c37caf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\tPour faciliter la mesure de la vitamine C dans l&rsquo;\u00e9chantillon, HANNA propose d&rsquo;autres solutions.\nD\u00e9couvrez les sondes photom\u00e9triques!\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0d56d5d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0d56d5d\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b401251\" data-id=\"b401251\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7cbad98 elementor-widget elementor-widget-heading\" data-id=\"7cbad98\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">HI900601 \u00e0 525nm<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-80ae489 elementor-widget elementor-widget-text-editor\" data-id=\"80ae489\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t\u00c9lectrode photom\u00e9trique\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1cbd0fc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1cbd0fc\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-6bf3cfe\" data-id=\"6bf3cfe\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f434edb elementor-widget elementor-widget-image\" data-id=\"f434edb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"413\" height=\"95\" src=\"https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2022\/10\/Vrh-Elektrode.jpg\" class=\"attachment-large size-large wp-image-192817\" alt=\"\" srcset=\"https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2022\/10\/Vrh-Elektrode.jpg 413w, https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2022\/10\/Vrh-Elektrode-300x69.jpg 300w\" sizes=\"(max-width: 413px) 100vw, 413px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-c488c55\" data-id=\"c488c55\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4eae881 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4eae881\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-3cb4927\" data-id=\"3cb4927\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-081640f elementor-widget elementor-widget-text-editor\" data-id=\"081640f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\tHI900601 \u00e0 525 nm peut \u00eatre utilis\u00e9 pour mesurer la concentration par photom\u00e9trie et il suit la norme ISO 6557-2. Dans cette mesure, de l&rsquo;acide oxalique est ajout\u00e9 pour extraire l&rsquo;acide ascorbique. La solution est ensuite titr\u00e9e au DPIP et elle passe de l&rsquo;incolore au bleu. Les sondes photom\u00e9triques d\u00e9tectent le changement de couleur \u00e0 525 nm.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6b5bc50 elementor-hidden-mobile elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"6b5bc50\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-193b6fc\" data-id=\"193b6fc\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-43726b5 elementor-widget elementor-widget-image\" data-id=\"43726b5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"72\" height=\"406\" src=\"https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2022\/10\/Elektroda.jpg\" class=\"attachment-large size-large wp-image-192824\" alt=\"\" srcset=\"https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2022\/10\/Elektroda.jpg 72w, https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2022\/10\/Elektroda-53x300.jpg 53w\" sizes=\"(max-width: 72px) 100vw, 72px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-efb6af6 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"efb6af6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-xl\" href=\"https:\/\/www.hannamaroc.com\/hi90060x-product\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">ACHETER<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-169413a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"169413a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-fb40e76\" data-id=\"fb40e76\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-817e6ad elementor-widget elementor-widget-text-editor\" data-id=\"817e6ad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<strong>Auteur<\/strong>:<br>\nTajana Mokrovi\u0107\nmag.nutr.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-d435cf5\" data-id=\"d435cf5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-955c92a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"955c92a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-1925673\" data-id=\"1925673\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-45d47f9 elementor-widget elementor-widget-image\" data-id=\"45d47f9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"252\" height=\"74\" src=\"https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2022\/08\/Logo-Hanna-Inst.jpg\" class=\"attachment-large size-large wp-image-177342\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5807d60 elementor-widget elementor-widget-text-editor\" data-id=\"5807d60\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Avec un excellent produit, d&rsquo;excellents r\u00e9sultats<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-1b93280\" data-id=\"1b93280\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-ceb9271 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ceb9271\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-a94f9af\" data-id=\"a94f9af\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6cbeb61 elementor-widget elementor-widget-heading\" data-id=\"6cbeb61\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Service <\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-aed9dcd elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"aed9dcd\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-8269ec8\" data-id=\"8269ec8\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ead5658 elementor-widget elementor-widget-heading\" data-id=\"ead5658\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Entra\u00eenement<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-fe8aef2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fe8aef2\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-554ca08\" data-id=\"554ca08\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b62b6a3 elementor-widget elementor-widget-heading\" data-id=\"b62b6a3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Rapair<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-0ee48fd elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0ee48fd\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-5fbf8dc\" data-id=\"5fbf8dc\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7297b04 elementor-widget elementor-widget-heading\" data-id=\"7297b04\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Maintenance<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Les vitamines sont une n\u00e9cessit\u00e9 pour l&rsquo;homme pour maintenir une bonne sant\u00e9. Les vitamines sont [&hellip;]<\/p>\n","protected":false},"author":14,"featured_media":192767,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[391,392],"tags":[],"class_list":["post-192995","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aliments","category-industrie-fr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>D\u00e9termination de l&#039;acide ascorbique (vitamine C) dans l&#039;industrie alimentaire et pharmaceutique - Hanna Instruments Maroc<\/title>\n<meta name=\"description\" content=\"La vitamine C est surtout connue pour son r\u00f4le dans l&#039;am\u00e9lioration du syst\u00e8me immunitaire et dans la pr\u00e9vention des maladies. 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