{"id":40859,"date":"2023-02-10T10:02:56","date_gmt":"2023-02-10T10:02:56","guid":{"rendered":"https:\/\/www.alquera.com\/?post_type=product&#038;p=40859"},"modified":"2023-09-01T14:48:54","modified_gmt":"2023-09-01T14:48:54","slug":"cristalizacion-sulfato-de-cobre","status":"publish","type":"product","link":"https:\/\/www.alquera.com\/fr\/cristalizacion-sulfato-de-cobre\/","title":{"rendered":"Cristallisation du sulfate de cuivre #Exp12"},"content":{"rendered":"<h2>CE QUI EST INCLUS DANS LE KIT<\/h2>\n<ul>\n<li>1kg <a href=\"https:\/\/www.alquera.com\/fr\/sulfato-de-cobre\/\">Sulfate de Cuivre en Poudre<\/a><\/li>\n<li>2 <a href=\"https:\/\/www.alquera.com\/fr\/placas-de-petri\/\">Bo\u00eetes de P\u00e9tri<\/a><\/li>\n<li>Ne comprend pas : la baguette en verre, le fil, l'eau distill\u00e9e et les b\u00e9chers de pr\u00e9cipitation, que vous devrez acheter chez un d\u00e9taillant.<\/li>\n<\/ul>\n<h2>D\u00c9TAILL\u00c9E, \u00c9TAPE PAR \u00c9TAPE<\/h2>\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe loading=\"lazy\" title=\"#Exp12- Cristallisation du sulfate de cuivre\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/BsbatEg_dqg?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<ul>\n<li>La cristallisation du sulfate de cuivre n\u00e9cessite 2 parties :<\/li>\n<li>A) Cr\u00e9er une graine<\/li>\n<li>B) Faire pousser le cristal sur la graine<\/li>\n<\/ul>\n<p>A) CR\u00c9ER UNE GRAINE<\/p>\n<ul>\n<li>Nous devons utiliser 100ml d'eau distill\u00e9e et 75g de sulfate de cuivre. Nous pr\u00e9parons le m\u00e9lange, le chauffons bien et transf\u00e9rons une partie de la solution dans une bo\u00eete de P\u00e9tri, en la laissant reposer pendant 1 jour. Nous obtenons ainsi de petits cristaux, qui seront nos \"graines\".<\/li>\n<\/ul>\n<p>(B) DE FAIRE CRO\u00ceTRE LE CRISTAL SUR LA GRAINE<\/p>\n<ul>\n<li>Nous devons pr\u00e9parer une nouvelle solution, nous utilisons 200ml d'eau distill\u00e9e et 150g de sulfate de cuivre. Nous la chauffons, la m\u00e9langeons bien et l'ajoutons dans un b\u00e9cher de pr\u00e9cipitation.<\/li>\n<li>D'autre part, nous pr\u00e9parons la graine avec un fil de p\u00eache et \u00e0 l'aide d'une tige ou similaire, nous l'introduisons dans la solution. Apr\u00e8s 24 heures, nous pouvons constater que nous avons obtenu un petit cristal attach\u00e9 \u00e0 notre graine.<\/li>\n<\/ul>\n<p>COMMENT OBTENIR UN CRISTAL PLUS GRAND ?<\/p>\n<ul>\n<li>Ajouter 100ml d'eau distill\u00e9e et 75g de sulfate de cuivre \u00e0 la solution restante. Chauffez, dissolvez bien et transf\u00e9rez \u00e0 nouveau dans un b\u00e9cher.<\/li>\n<li>Nous introduisons le cristal dans cette solution pour qu'il continue \u00e0 se former.<\/li>\n<li>Apr\u00e8s 24 heures, nous pouvons voir comment le verre a grandi.<\/li>\n<\/ul>\n<p>Si vous voulez un cristal plus grand, vous pouvez r\u00e9p\u00e9ter ce processus jusqu'\u00e0 ce que vous obteniez la taille souhait\u00e9e.<\/p>\n<h2>EXPLICATION TECHNIQUE<\/h2>\n<p>La cristallisation est le processus par lequel des cristaux sont cr\u00e9\u00e9s \u00e0 partir d'un \u00e9l\u00e9ment en poudre. La base de la cristallisation est la plus grande solubilit\u00e9 d'un \u00e9l\u00e9ment \u00e0 une temp\u00e9rature plus \u00e9lev\u00e9e qu'\u00e0 une temp\u00e9rature plus basse. Par cons\u00e9quent, \u00e0 une temp\u00e9rature plus \u00e9lev\u00e9e, une plus grande quantit\u00e9 de solvant peut \u00eatre dissoute.<\/p>\n<p>En refroidissant, le plus lentement possible, la solubilit\u00e9 du sulfate diminue et un cristal se forme autour du fil.<\/p>\n<p>Comme le cristal est form\u00e9 par pr\u00e9cipitation dans une solution sursatur\u00e9e, pour que le cristal continue \u00e0 cro\u00eetre, il suffit de le placer dans une autre solution chaude et sursatur\u00e9e. En se refroidissant, le cristal continuera \u00e0 cro\u00eetre.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>La cristallisation du sulfate de cuivre est une exp\u00e9rience tr\u00e8s simple. Elle consiste en la cristallisation instantan\u00e9e du sulfate. Vous pouvez acheter le kit pour r\u00e9aliser l'exp\u00e9rience en suivant les \u00e9tapes indiqu\u00e9es.<\/p>","protected":false},"featured_media":41135,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"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":"default","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":"var(--ast-global-color-4)","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":""}}},"product_brand":[],"product_cat":[329,21],"product_tag":[],"class_list":{"0":"post-40859","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-experimentos-ciencias","7":"product_cat-productos","8":"desktop-align-left","9":"tablet-align-left","10":"mobile-align-left","11":"ast-product-gallery-layout-horizontal-slider","12":"ast-magnify-disabled","13":"ast-product-tabs-layout-horizontal","14":"ast-qv-on-image","16":"first","17":"instock","18":"taxable","19":"shipping-taxable","20":"purchasable","21":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.1 (Yoast SEO v27.1.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Cristalizaci\u00f3n Sulfato de Cobre #Exp12: Comprar Online - Alquera.com<\/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:\/\/www.alquera.com\/fr\/cristalizacion-sulfato-de-cobre\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cristalizaci\u00f3n Sulfato de Cobre #Exp12: Comprar Online - Alquera.com\" \/>\n<meta property=\"og:description\" content=\"Hacer la cristalizaci\u00f3n de Sulfato de Cobre es un experimento muy sencillo. 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