{"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\/it\/limaduras-de-hierro\/","title":{"rendered":"Limatura di Ferro"},"content":{"rendered":"<p>La limatura di ferro \u00e8 un pezzo di ferro molto piccolo, utilizzato nelle dimostrazioni scientifiche per mostrare la direzione di un campo magnetico. Il ferro presenta propriet\u00e0 magnetiche, ha un'elevata durezza e densit\u00e0, \u00e8 utilizzato in molteplici applicazioni e rappresenta il 95% in peso della produzione mondiale di questo metallo.<\/p>\n<h1>IDENTIFICAZIONE E PROPRIET\u00c0<\/h1>\n<p><strong>Nome:<\/strong> Limatura di ferro<br \/>\n<strong>Sinonimi:<\/strong> Ferro metallico, ferro elementare.<br \/>\n<strong>CAS:<\/strong> 7439-89-6<br \/>\n<strong>CE:<\/strong> 231-096-4<\/p>\n<ul>\n<li>Stato fisico (20\u00baC): solido - limatura<\/li>\n<li>Colore: grigio (metallizzato).<\/li>\n<li>Odore: inodore.<\/li>\n<li>Punto di partenza\/punto di ebollizione\/intervallo di ebollizione: 2861\u00b0C<\/li>\n<li>Pressione di vapore: 1,0 .<\/li>\n<li>Tasso di evaporazione: N.D. Non volatile.<\/li>\n<li>Infiammabilit\u00e0: Materiale non facilmente infiammabile. La polvere \u00e8 finemente combustibile.<\/li>\n<li>Punto di infiammabilit\u00e0: Secondo la colonna 2 dell'Allegato VII del regolamento REACH, lo studio non \u00e8 necessario in quanto la sostanza \u00e8 inorganica.<\/li>\n<li>Temperatura di autoaccensione: 350\u00b0C a 1013 hPa (ECHA) (temperatura relativa di autoaccensione dei solidi).<\/li>\n<li>Punto di fusione: 1530\u00baC<\/li>\n<li>pH: N.A. Insolubile in acqua.<\/li>\n<li>Viscosit\u00e0 cinematica: non applicabile. La viscosit\u00e0 \u00e8 rilevante solo per i liquidi. La sostanza \u00e8 un solido metallico con punto di fusione &gt;1500\u00b0C, pertanto questa determinazione non \u00e8 necessaria.<\/li>\n<li>Viscosit\u00e0 dinamica: non applicabile.<\/li>\n<li>Solubilit\u00e0: Insolubile in acqua ; 0,015 mg\/L (22\u00baC).<\/li>\n<li>Solubilit\u00e0 in acqua: insolubile in acqua; 0,015 mg\/L (22\u00baC)<\/li>\n<li>Il ferro metallico viene rapidamente ossidato per formare Fe(II), poi Fe(II) viene lentamente ossidato a Fe(III) che infine precipita in Fe(OH)3 (ossido di ferro rosso). Il ferro non si scioglie in acqua o in soluzioni elettrolitiche acquose diluite, si ossida con l'acqua (aerata) ma forma principalmente ossidi insolubili. \u00c8 stato eseguito un test di trasformazione\/dissoluzione della durata di sette giorni con polvere di ferro a un carico di massa di 100 mg\/l e a un pH di 6,0, secondo la linea guida 29 dell'OCSE e il protocollo GHS (allegato 10). Nelle condizioni di questo test, la diluizione del Fe \u00e8 di 19,4 mg\/l per l'endpoint di 7 giorni. \u00c8 stata eseguita una modellazione dell'equilibrio chimico (ETAP0, 2010) per calcolare il limite di solubilit\u00e0 del ferro utilizzando il ferro(III). Sono stati calcolati limiti di solubilit\u00e0 di 0,015, 0,0024 e 0,00001 mg\/l rispettivamente a pH 6,7 e 8 (ECHA).<\/li>\n<li>Coefficiente di ripartizione (n-ottanolo\/acqua) (valore logaritmico): Sostanza inorganica<\/li>\n<li>Densit\u00e0 assoluta: &gt;7,3 g\/cm3<\/li>\n<li>Densit\u00e0 di massa: 4,5 g\/cm3<\/li>\n<li>Densit\u00e0 relativa (acqua=1; 20\u00baC): &gt;7,3 g\/cm3 (ferro: 7,87)<\/li>\n<\/ul>\n<h1>USI<\/h1>\n<ul>\n<li>Utilizzo in applicazioni industriali e professionali<\/li>\n<li>Reagenti di laboratorio\/uso analitico<\/li>\n<li>Dimostrazioni scientifiche<\/li>\n<li>Visualizzazione della direzione del campo magnetico<\/li>\n<li>Stage scolastici<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Acquistate la limatura di ferro nei formati da 1 kg, 5 kg e 25 kg. \u00c8 possibile vedere il prezzo dei diversi formati di limatura di ferro quando si seleziona il formato desiderato. L'ordine viene effettuato direttamente via web seguendo i passaggi indicati e viene consegnato in 4\/5 giorni.<\/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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