{"id":1221,"date":"2018-12-08T13:29:57","date_gmt":"2018-12-08T13:29:57","guid":{"rendered":"http:\/\/localhost\/alquera\/productos\/producto\/limaduras-de-hierro25\/"},"modified":"2026-04-29T09:31:33","modified_gmt":"2026-04-29T09:31:33","slug":"limaduras-de-hierro","status":"publish","type":"product","link":"https:\/\/www.alquera.com\/fr\/limaduras-de-hierro\/","title":{"rendered":"Limaille de Fer"},"content":{"rendered":"<p>Les limailles de fer sont de tr\u00e8s petits morceaux de fer, utilis\u00e9s dans des d\u00e9monstrations scientifiques pour montrer la direction d\u2019un champ magn\u00e9tique. Le fer repr\u00e9sente des propri\u00e9t\u00e9s magn\u00e9tiques, a une duret\u00e9 et une densit\u00e9 \u00e9lev\u00e9es, utilis\u00e9 dans de multiples applications et compte avec 95% en poids de la production mondiale de m\u00e9tal.<\/p>\n<h1>IDENTIFICATION ET PROPI\u00c9T\u00c9S<\/h1>\n<p><strong>Nom:<\/strong> Limaille de fer<br \/>\n<strong>Synonyme:<\/strong> Fer m\u00e9tallique, fer \u00e9l\u00e9mentaire.<br \/>\n<strong>CAS:<\/strong> 7439-89-6<br \/>\n<strong>CE:<\/strong> 231-096-4<\/p>\n<ul>\n<li>\u00c9tat physique (20\u00baC) : Solide - limaille<\/li>\n<li>Couleur : gris (m\u00e9tallis\u00e9).<\/li>\n<li>Odeur : Inodore.<\/li>\n<li>Point de d\u00e9part\/point d'\u00e9bullition\/plage d'\u00e9bullition : 2861\u00b0C<\/li>\n<li>Pression de vapeur : 1,0 .<\/li>\n<li>Taux d'\u00e9vaporation : N.D. Non volatile.<\/li>\n<li>Inflammabilit\u00e9 : Le mat\u00e9riau n'est pas facilement inflammable. La poussi\u00e8re est finement combustible.<\/li>\n<li>Point d'\u00e9clair : selon la colonne 2 de l'annexe VII de REACH, l'\u00e9tude n'est pas n\u00e9cessaire car la substance est inorganique.<\/li>\n<li>Temp\u00e9rature d'auto-inflammation : 350\u00b0C \u00e0 1013 hPa (ECHA) (temp\u00e9rature d'auto-inflammation relative des solides).<\/li>\n<li>Point de fusion : 1530\u00baC<\/li>\n<li>pH : N.A. Insoluble dans l'eau.<\/li>\n<li>Viscosit\u00e9 cin\u00e9matique : non applicable. La viscosit\u00e9 n'est pertinente que pour les liquides. La substance est un solide m\u00e9tallique dont le point de fusion est &gt;1500\u00b0C, cette d\u00e9termination n'est donc pas n\u00e9cessaire.<\/li>\n<li>Viscosit\u00e9 dynamique : non applicable.<\/li>\n<li>Solubilit\u00e9 : Insoluble dans l'eau ; 0,015 mg\/L (22\u00baC).<\/li>\n<li>Solubilit\u00e9 dans l'eau : insoluble dans l'eau ; 0,015 mg\/L (22\u00baC)<\/li>\n<li>Le fer m\u00e9tallique est rapidement oxyd\u00e9 pour former du Fe(II), puis le Fe(II) est lentement oxyd\u00e9 en Fe(III) qui pr\u00e9cipite finalement en Fe(OH)3 (oxyde de fer rouge). Le fer ne se dissout pas dans l'eau ou dans des solutions aqueuses dilu\u00e9es d'\u00e9lectrolytes, il s'oxyde avec de l'eau (a\u00e9r\u00e9e) mais forme principalement des oxydes insolubles. Un test de transformation\/dissolution de sept jours a \u00e9t\u00e9 r\u00e9alis\u00e9 avec de la poudre de fer \u00e0 une charge massique de 100mg\/l et \u00e0 un pH de 6,0, conform\u00e9ment \u00e0 la ligne directrice 29 de l'OCDE et au protocole du SGH (annexe 10). Dans les conditions de ce test, la dilution du Fe est de 19,4 mg\/l pour le crit\u00e8re d'\u00e9valuation de 7 jours. Une mod\u00e9lisation de l'\u00e9quilibre chimique (ETAP0, 2010) a \u00e9t\u00e9 r\u00e9alis\u00e9e pour calculer une limite de solubilit\u00e9 pour le fer en utilisant le fer(III). Des limites de solubilit\u00e9 de 0,015, 0,0024 et 0,00001 mg\/l ont \u00e9t\u00e9 calcul\u00e9es \u00e0 un pH de 6,7 et 8, respectivement (ECHA).<\/li>\n<li>Coefficient de partage (n-octanol\/eau) (valeur logarithmique) : Substance inorganique<\/li>\n<li>Densit\u00e9 absolue : &gt;7,3 g\/cm3<\/li>\n<li>Densit\u00e9 apparente : 4,5 g\/cm3<\/li>\n<li>Densit\u00e9 relative (eau=1 ; 20\u00baC) : &gt;7,3 g\/cm3 (fer : 7,87)<\/li>\n<\/ul>\n<h1>USAGES<\/h1>\n<ul>\n<li>Utilisation dans les applications industrielles et professionnelles<\/li>\n<li>R\u00e9actifs de laboratoire\/utilisation analytique<\/li>\n<li>D\u00e9monstrations scientifiques<\/li>\n<li>Affichage de la direction du champ magn\u00e9tique<\/li>\n<li>Pratiques scolaires<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Achetez de la limaille de fer en format de 1kg, 5kg et 25kg. Vous pouvez voir le prix des diff\u00e9rents formats de la limaille de fer lorsque vous s\u00e9lectionnez le format souhait\u00e9. La commande est effectu\u00e9e directement par le Web en suivant les \u00e9tapes indiqu\u00e9es, \u00e9tant livr\u00e9e en 24\/48 heures.<\/p>","protected":false},"featured_media":8659,"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":[260,206],"product_tag":[],"class_list":{"0":"post-1221","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-hierro-polvo-limaduras-y-chapa","7":"product_cat-productos-experimentos","8":"pa_cantidad-1kg","9":"pa_cantidad-5kg","10":"pa_cantidad-25kg","11":"desktop-align-left","12":"tablet-align-left","13":"mobile-align-left","14":"ast-product-gallery-layout-horizontal-slider","15":"ast-magnify-disabled","16":"ast-product-single-variable","17":"ast-product-tabs-layout-horizontal","18":"ast-qv-on-image","20":"first","21":"instock","22":"taxable","23":"shipping-taxable","24":"purchasable","25":"product-type-variable","26":"has-default-attributes"},"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>Limaduras de Hierro: Comprar Online - Alquera.com<\/title>\n<meta name=\"description\" content=\"ENV\u00cdOS EN 24\/48H. 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