{"id":162358,"date":"2022-03-23T12:57:00","date_gmt":"2022-03-23T12:57:00","guid":{"rendered":"https:\/\/blog.hannaservice.eu\/determination-des-acides-volatils-dans-le-vin\/"},"modified":"2022-12-15T14:44:24","modified_gmt":"2022-12-15T14:44:24","slug":"determination-des-acides-volatils-dans-le-vin","status":"publish","type":"post","link":"https:\/\/blog.hannaservice.eu\/fr\/determination-des-acides-volatils-dans-le-vin\/","title":{"rendered":"D\u00e9termination des acides volatils dans le vin"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"162358\" class=\"elementor elementor-162358 elementor-162121\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b2d4265 elementor-section-height-min-height elementor-section-boxed elementor-section-height-default elementor-section-items-middle\" data-id=\"b2d4265\" data-element_type=\"section\" data-e-type=\"section\" 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d=\"M15.6,13.2c0-0.1,4.3,0,6.7,0.5c2.4,0.5,5,1.9,5,2c0,0.1-2.7-0.8-5.1-1.4\tC19.9,13.7,15.7,13.3,15.6,13.2z\"\/>\n<\/svg>\t\t<\/div>\n\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-4445545\" data-id=\"4445545\" 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<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-d845d65\" data-id=\"d845d65\" 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-8bb77f6 elementor-widget elementor-widget-heading\" data-id=\"8bb77f6\" 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\">Avant de commercialiser votre vin, vous devez conna\u00eetre la composition chimique de votre vin.<\/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-top-section elementor-element elementor-element-8a46b41 elementor-section-height-min-height elementor-section-items-stretch elementor-section-boxed elementor-section-height-default\" data-id=\"8a46b41\" 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-50 elementor-top-column elementor-element elementor-element-4cfca00\" data-id=\"4cfca00\" 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-34d13b2 elementor-widget elementor-widget-heading\" data-id=\"34d13b2\" 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 connaissance du contenu de chaque ingr\u00e9dient est n\u00e9cessaire pour \u00e9valuer :<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fc7f33d elementor-widget elementor-widget-text-editor\" data-id=\"fc7f33d\" 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>&#8211; Niveaux de Qualit\u00e9<br \/>&#8211; Valeurs Nutritionnelles<br \/>&#8211; Exactitude de la sant\u00e9<br \/>&#8211; S\u00e9curit\u00e9 du vin<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2d836dd elementor-widget elementor-widget-image\" data-id=\"2d836dd\" 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=\"406\" height=\"335\" src=\"https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2022\/03\/Vine-production.png\" class=\"attachment-large size-large wp-image-162155\" alt=\"\" srcset=\"https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2022\/03\/Vine-production.png 406w, https:\/\/blog.hannaservice.eu\/wp-content\/uploads\/2022\/03\/Vine-production-300x248.png 300w\" sizes=\"(max-width: 406px) 100vw, 406px\" \/>\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-f68c686\" data-id=\"f68c686\" 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-44b9ecf elementor-widget elementor-widget-heading\" data-id=\"44b9ecf\" 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\">Des raisons technologiques pour reconna\u00eetre le contenu et les rapports mutuels des ingr\u00e9dients individuels sont n\u00e9cessaires en raison de :<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-327e869 elementor-widget elementor-widget-text-editor\" data-id=\"327e869\" 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>&#8211; anticipation \/ pr\u00e9vention des d\u00e9fauts et carences du vin<br \/>\n&#8211; reconnaissance d&rsquo;\u00e9chantillons d&rsquo;\u00e9ventuelles lacunes et lacunes et moyens de les \u00e9liminer \/ arr\u00eater<\/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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8f4f2fd elementor-section-height-min-height elementor-section-boxed elementor-section-height-default elementor-section-items-middle\" data-id=\"8f4f2fd\" 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-786662a\" data-id=\"786662a\" 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-fa62a50 elementor-widget elementor-widget-text-editor\" data-id=\"fa62a50\" 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>L&rsquo;un des param\u00e8tres importants \u00e0 surveiller en permanence dans le vin est<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f96c48 elementor-widget elementor-widget-text-editor\" data-id=\"1f96c48\" 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><strong>l&rsquo;acide volatil.<\/strong><\/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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-dfc9aa4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"dfc9aa4\" 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-60de277\" data-id=\"60de277\" 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-183465e elementor-widget elementor-widget-text-editor\" data-id=\"183465e\" 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 acides volatils dans le vin se forment en tant que produits secondaires de la fermentation alcoolique ou lors du processus de d\u00e9t\u00e9rioration du vin.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7089a0e elementor-widget elementor-widget-text-editor\" data-id=\"7089a0e\" 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>Ils affectent les propri\u00e9t\u00e9s sensorielles du vin et sont des indicateurs de l&rsquo; (in)stabilit\u00e9 biologique du vin. Sous certaines conditions (comme le chauffage), il s&rsquo;\u00e9vapore du vin. <strong>La part totale des acides volatils est exprim\u00e9e en acide ac\u00e9tique car il repr\u00e9sente 99% de tous les acides volatils du vin.<\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d9f9589 elementor-widget elementor-widget-heading\" data-id=\"d9f9589\" 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\">L'origine de l'acide ac\u00e9tique dans le vin<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6867a0a elementor-widget elementor-widget-text-editor\" data-id=\"6867a0a\" 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>1. Il passe du raisin au vin uniquement s&rsquo;il est avari\u00e9 ou ab\u00eem\u00e9 (moisissure, insectes&#8230;)<\/p>\n<p>2. Produit secondaire de la fermentation alcoolique :<br \/>&nbsp;<br \/>\na) dismutation de l&rsquo;ac\u00e9tald\u00e9hyde<\/p>\n<p>&nbsp;<br \/>\nb) pendant la fermentation : levures, temp\u00e9rature, teneur en sucre, acc\u00e8s \u00e0 l&rsquo;air<\/p>\n<p>3. Biod\u00e9gradation de l&rsquo;acide citrique<\/p>\n<p>4. Apr\u00e8s la fermentation alcoolique &#8211; pendant la conservation du vin<br \/>&nbsp;<br \/>\na) oxydation de l&rsquo;\u00e9thanol avec l&rsquo;oxyg\u00e8ne de l&rsquo;air<br \/>&nbsp;<br \/>\nb)de plus grandes quantit\u00e9s se produisent \u00e0 la suite d&rsquo;une d\u00e9t\u00e9rioration caus\u00e9e par des bact\u00e9ries (octicavost, fleur de vin&#8230;)<\/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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f5c84d9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f5c84d9\" 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-b55376d\" data-id=\"b55376d\" 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-50398f9 elementor-widget elementor-widget-heading\" data-id=\"50398f9\" 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\">Vin sain <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8eee724 elementor-widget elementor-widget-text-editor\" data-id=\"8eee724\" 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>contient <strong>0.3-0.6 g \/ L<\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ce17633 elementor-widget elementor-widget-text-editor\" data-id=\"ce17633\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\tmoins souvent jusqu&rsquo;\u00e0 1 g \/ L\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-981ba5b\" data-id=\"981ba5b\" 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-341ef4c elementor-widget elementor-widget-heading\" data-id=\"341ef4c\" 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\">Vin pourri <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ad45272 elementor-hidden-mobile elementor-widget elementor-widget-text-editor\" data-id=\"ad45272\" 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>contient <strong>2-3 g \/ L<\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6dda490 elementor-hidden-desktop elementor-hidden-tablet elementor-widget elementor-widget-text-editor\" data-id=\"6dda490\" 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>contient<br \/> <strong>2-3 g \/ L<\/strong><\/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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6c7a91b elementor-section-height-min-height elementor-section-boxed elementor-section-height-default elementor-section-items-middle\" data-id=\"6c7a91b\" 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-6e3e785\" data-id=\"6e3e785\" 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-04e7b20 elementor-widget elementor-widget-text-editor\" data-id=\"04e7b20\" 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>Selon l&rsquo;Ordonnance sur le vin, le maximum est autoris\u00e9 :<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4247e25 elementor-widget elementor-widget-text-editor\" data-id=\"4247e25\" 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>-blanc, rose, cerise noire avec une teneur allant jusqu&rsquo;\u00e0 10% vol d&rsquo;alcool<br \/>&nbsp;<br \/>\n<strong>1.1 g \/ L acide ac\u00e9tique<\/strong><\/p>\n<p>&#8211; vin avec une appellation d&rsquo;origine contr\u00f4l\u00e9e<br \/>&nbsp; <strong>1 g \/ L acide ac\u00e9tique<\/strong><br \/>\n&#8211; vin titrant plus de 10% vol d&rsquo;alcool<br \/>&nbsp; <strong>pour chaque vol. % d&rsquo;alcool est autoris\u00e9 un autre + 0,06 g \/ L d&rsquo;acide ac\u00e9tique<\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-056f79d elementor-widget elementor-widget-text-editor\" data-id=\"056f79d\" 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>Autres acides volatils du vin : acide propionique, acide butyrique, acide val\u00e9rique, puis capro\u00efque, caprylique, caprique, p\u00e9largonium, laurique, etc.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1fd9e47 elementor-widget elementor-widget-text-editor\" data-id=\"1fd9e47\" 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>Pour mesurer l&rsquo;acide volatil dans le vin, il existe plusieurs m\u00e9thodes d&rsquo;analyse. Hanna les a couverts et nous pouvons facilement vous montrer comment ma\u00eetriser ces m\u00e9thodes.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6309bfa elementor-widget elementor-widget-text-editor\" data-id=\"6309bfa\" 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><strong>1. Mesure des acides volatils \u00e0 l&rsquo;aide d&rsquo;un titrateur<\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-45ecd82 elementor-widget elementor-widget-text-editor\" data-id=\"45ecd82\" 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>M\u00e9thode de d\u00e9termination de l&rsquo;acidit\u00e9 volatile dans le vin, par titrage d&rsquo;un distillat recueilli \u00e0 partir d&rsquo;un appareil de distillation \u00e0 la vapeur (Acide Volatil \/ Cash Still). Les r\u00e9sultats sont exprim\u00e9s en g\/L d&rsquo;acide ac\u00e9tique.<\/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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-67b92fd elementor-section-height-min-height elementor-section-boxed elementor-section-height-default elementor-section-items-middle\" data-id=\"67b92fd\" 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-50 elementor-top-column elementor-element elementor-element-dff29b0\" data-id=\"dff29b0\" 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<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-c261058\" data-id=\"c261058\" 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-249a49e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"249a49e\" 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-d509a47\" data-id=\"d509a47\" 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<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-04c903e\" data-id=\"04c903e\" 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-78858b8 elementor-widget elementor-widget-heading\" data-id=\"78858b8\" 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-6aba3b7 elementor-widget elementor-widget-heading\" data-id=\"6aba3b7\" 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\">Titrateur Potentiom\u00e9trique Automatique <\/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-top-section elementor-element elementor-element-5358731 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5358731\" 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-c6492e0\" data-id=\"c6492e0\" 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-22c74ed elementor-widget elementor-widget-text-editor\" data-id=\"22c74ed\" 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>\n<p>Le 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. Sans mise \u00e0 niveau de programmation suppl\u00e9mentaire \u00e0 acheter, vous pouvez commencer \u00e0 mesurer imm\u00e9diatement.<\/p>\n<ul>\n<li>Faible encombrement pour optimiser pleinement votre plan de travail et augmenter la productivit\u00e9.<\/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>Parfait pour les besoins de titrage d\u00e9di\u00e9s.<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-852cc86 elementor-align-left elementor-widget elementor-widget-button\" data-id=\"852cc86\" 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-sm elementor-animation-shrink\" 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<span class=\"elementor-button-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-shopping-cart\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">ACHTER - HI931<\/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-995c111 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"995c111\" 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-060f265\" data-id=\"060f265\" 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-8b415d2 elementor-widget elementor-widget-text-editor\" data-id=\"8b415d2\" 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><strong>2. Mesure des acides volatils avec spectrophotom\u00e8tre<\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a2ae6a7 elementor-widget elementor-widget-text-editor\" data-id=\"a2ae6a7\" 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>Le c\u0153ur des m\u00e9thodes enzymatiques est la propri\u00e9t\u00e9 des enzymes de catalyser une r\u00e9action chimique sp\u00e9cifique avec certains m\u00e9tabolites. L&rsquo;avantage de ce type de m\u00e9thode analytique est qu&rsquo;elle peut \u00eatre appliqu\u00e9e sans modification majeure \u00e0 l&rsquo;analyse des boissons.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-23b5466 elementor-widget elementor-widget-text-editor\" data-id=\"23b5466\" 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 cette m\u00e9thode, vous pouvez mesurer <strong>l&rsquo;acide ac\u00e9tique<\/strong> et <strong>l&rsquo;ac\u00e9tald\u00e9hyde<\/strong>.<\/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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-66df29c elementor-section-height-min-height elementor-section-boxed elementor-section-height-default elementor-section-items-middle\" data-id=\"66df29c\" 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-3e54aff\" data-id=\"3e54aff\" 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-7d898d3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7d898d3\" 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-8ada2df\" data-id=\"8ada2df\" 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<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-b693348\" data-id=\"b693348\" 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-bae44d0 elementor-widget elementor-widget-heading\" data-id=\"bae44d0\" 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\">HI801<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b6bfb57 elementor-widget elementor-widget-heading\" data-id=\"b6bfb57\" 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\">Spectrophotom\u00e8tre Iris <\/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-top-section elementor-element elementor-element-8ec15d7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8ec15d7\" 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-f6624a7\" data-id=\"f6624a7\" 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-de75914 elementor-widget elementor-widget-text-editor\" data-id=\"de75914\" 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>Le HI801 Iris est un spectrophotom\u00e8tre \u00e9l\u00e9gant et intuitif qui permet de mesurer toutes les longueurs d&rsquo;onde de la lumi\u00e8re visible.<br \/>Personnalisez vos m\u00e9thodes, prenez une large gamme de mesures et soyez confiant dans la pr\u00e9cision de vos tests avec l&rsquo;iris.<\/p>\n<ul>\n<li>Iris propose une s\u00e9lection pr\u00e9cise de longueur d&rsquo;onde entre 340 nm et 900 nm pour une conformit\u00e9 et une pr\u00e9cision compl\u00e8tes de la m\u00e9thode qui sont n\u00e9cessaires dans des industries telles que les laboratoires professionnels, les installations de traitement de l&rsquo;eau, les \u00e9tablissements vinicoles, etc.<\/li>\n<li>Les r\u00e9sultats sont coh\u00e9rents et pr\u00e9cis quel que soit le d\u00e9bit gr\u00e2ce au syst\u00e8me optique de haute qualit\u00e9 et de conception unique.<\/li>\n<li>Les options de personnalisation incluent plusieurs formes et tailles de cuvettes, des courbes d&rsquo;\u00e9talonnage personnalis\u00e9es et des m\u00e9thodes.<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9cfa9e0 elementor-align-left elementor-widget elementor-widget-button\" data-id=\"9cfa9e0\" 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-sm elementor-animation-shrink\" href=\"https:\/\/www.hannamaroc.com\/spectrophotometre-iris-hi801-product\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-shopping-cart\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">ACHETER - HI801<\/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-561f096 elementor-section-height-min-height elementor-section-boxed elementor-section-height-default elementor-section-items-middle\" data-id=\"561f096\" 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-2d8a756\" data-id=\"2d8a756\" 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-7f73fc1 elementor-widget elementor-widget-text-editor\" data-id=\"7f73fc1\" 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><strong>Auteur:<br \/> Nives Vincekovi\u0107 Budor,mag.ing.chem.ing.<\/strong><\/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<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Avant de commercialiser votre vin, vous devez conna\u00eetre la composition chimique de votre vin. La [&hellip;]<\/p>\n","protected":false},"author":14,"featured_media":162124,"comment_status":"closed","ping_status":"closed","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":[561],"tags":[287],"class_list":["post-162358","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-boisson","tag-vin"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>D\u00e9termination des acides volatils dans le vin - Hanna Instruments Maroc<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.hannaservice.eu\/fr\/determination-des-acides-volatils-dans-le-vin\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"D\u00e9termination des acides volatils dans le vin - Hanna Instruments Maroc\" \/>\n<meta property=\"og:description\" content=\"Avant de commercialiser votre vin, vous devez conna\u00eetre la composition chimique de votre vin. 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