{"id":40854,"date":"2023-02-10T09:23:21","date_gmt":"2023-02-10T09:23:21","guid":{"rendered":"https:\/\/www.alquera.com\/?post_type=product&#038;p=40854"},"modified":"2023-09-01T14:51:43","modified_gmt":"2023-09-01T14:51:43","slug":"cristalizacion-nitrato-de-potasio","status":"publish","type":"product","link":"https:\/\/www.alquera.com\/fr\/cristalizacion-nitrato-de-potasio\/","title":{"rendered":"Cristallisation Nitrate de potassium #Exp11"},"content":{"rendered":"<h2>CE QUI EST INCLUS DANS LE KIT<\/h2>\n<ul>\n<li>250g <a href=\"https:\/\/www.alquera.com\/fr\/nitrato-de-potasio\/\">Nitrate de Potassium<\/a><\/li>\n<li>2 <a href=\"https:\/\/www.alquera.com\/fr\/placas-de-petri\/\">Bo\u00eetes de P\u00e9tri<\/a><\/li>\n<li>Non inclus : eau distill\u00e9e et b\u00e9cher.<\/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=\"#Exp11- Cristallisation Nitrate de potassium\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/cGpKLee0Cps?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>Pr\u00e9parez une solution de 250ml d'eau et de 100g de nitrate dans la casserole o\u00f9 elle doit \u00eatre chauff\u00e9e. Remuez bien et attendez qu'elle arrive \u00e0 \u00e9bullition, et quand elle est bien dissoute, mettez-la de c\u00f4t\u00e9.<\/li>\n<li>Une fois que notre solution est pr\u00eate, ajoutez-en un peu dans la bo\u00eete de P\u00e9tri.<\/li>\n<li>Laissez reposer pendant 10 \u00e0 15 minutes, apr\u00e8s quoi vous verrez les cristaux se former.<\/li>\n<\/ul>\n<h2>EXPLICATION TECHNIQUE<\/h2>\n<p>Il s'agit de la m\u00e9thode la plus simple et la plus efficace pour purifier des compos\u00e9s complexes. Elle consiste \u00e0 dissoudre l'impuret\u00e9 dans la plus petite quantit\u00e9 possible d'un solvant appropri\u00e9 et \u00e0 chauffer. Dans ces conditions, il se forme une solution compl\u00e8te qui, une fois refroidie, devient sursatur\u00e9e et la cristallisation se produit. Lorsque la solution refroidit, la solubilit\u00e9 du nitrate diminue et des cristaux se forment dans la bo\u00eete de P\u00e9tri.<\/p>","protected":false},"excerpt":{"rendered":"<p>La cristallisation du nitrate de potassium est une exp\u00e9rience tr\u00e8s simple. Elle consiste en la cristallisation instantan\u00e9e du nitrate de potassium. Vous pouvez acheter le kit pour r\u00e9aliser l'exp\u00e9rience en suivant les \u00e9tapes indiqu\u00e9es.<\/p>","protected":false},"featured_media":41088,"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-40854","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 Nitrato de Potasio #Exp11: 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-nitrato-de-potasio\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cristalizaci\u00f3n Nitrato de Potasio #Exp11: Comprar Online - Alquera.com\" \/>\n<meta property=\"og:description\" content=\"Hacer la cristalizaci\u00f3n de Nitrato de Potasio es un experimento muy sencillo. 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