{"id":15908,"date":"2021-12-22T08:56:36","date_gmt":"2021-12-22T08:56:39","guid":{"rendered":"https:\/\/masterchem.ee\/?post_type=product&p=15908"},"modified":"2021-12-22T09:03:00","modified_gmt":"2021-12-22T09:03:00","slug":"alumiinihydroksidi-cas-21645-51-2","status":"publish","type":"product","link":"https:\/\/masterchem.ee\/fi\/tooted-ja-teenused\/alumiinihydroksidi-cas-21645-51-2\/","title":{"rendered":"Alumiinihydroksidi (CAS 21645-51-2)"},"content":{"rendered":"

Info<\/strong> <\/p>\n

Toimialat: kosmetiikkateollisuus, l\u00e4\u00e4keteollisuus
\nCAS-numero: 21645-51-2
\nWE-numero: 244-492-7
\nKemiallinen kaava: AlH3O3
\nMoolimassa: 78 g\/mol
\nTullitariffikoodi: 28183000<\/p>\n

Muut fyysiset ominaisuudet<\/strong><\/p>\n

Sulamis-\/j\u00e4\u00e4tymispiste: 200-300\u00b0C
\nSuhteellinen tiheys: 2,35 \u2013 3,44 g\/cm3<\/p>\n","protected":false},"excerpt":{"rendered":"

Alumiinihydroksidi (CAS 21645-51-2)<\/strong><\/p>\n

Alumiinihydroksidi on alumiini- (Al3+) ja hydroksidi-ionien (OH\u2212) ioniyhdiste, jota esiintyy mineraaleissa nelj\u00e4n\u00e4 eri polymorfina: gibsiittin\u00e4, bayeriittin\u00e4, nordstrandiittin\u00e4 ja doyeliittin\u00e4, joista gibsiitti on eritt\u00e4in yleinen ja muut hyvin harvinaisia. Gibsiitti\u00e4 on bauksiitissa eli alumiinimalmissa yleens\u00e4 hyvin runsaasti.<\/p>\n

Teollisesti l\u00e4hes kaikki alumiinihydroksidi valmistetaan Bayer-prosessilla, jossa liuotetaan bauksiittia natriumhydroksidiin jopa 270 \u00b0C l\u00e4mp\u00f6tilassa. Alumiinihydroksidia k\u00e4ytet\u00e4\u00e4n alumiinioksidin valmistamiseksi kuumentamalla sit\u00e4 1 200 \u2013 1 300 celsiusasteeseen. Alumiinihydroksidia k\u00e4ytet\u00e4\u00e4n my\u00f6s alumiinifosfaatin tavoin vatsahappoja neutraloivana antasidin\u00e4. Alumiinihydroksidin alumiini sitoo fosfaatteja verest\u00e4. Siksi joissain maissa ainetta k\u00e4ytet\u00e4\u00e4n hyperfosfatemiassa, jossa fosfaatteja on veress\u00e4 liikaa. Alumiinihydroksidi on alumiinifosfaatin ohella rokotteissa yleisimmin k\u00e4ytetty apuaine (adjuvantti).<\/p>\n","protected":false},"featured_media":15914,"template":"","meta":[],"product_brand":[],"product_cat":[180,294,120],"product_tag":[],"class_list":{"0":"post-15908","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-uncategorized-fi-2","7":"product_cat-kosmetiikkateollisuus","8":"product_cat-laaketeollisuus","10":"first","11":"instock","12":"taxable","13":"shipping-taxable","14":"purchasable","15":"product-type-variable","16":"has-default-attributes"},"yoast_head":"\nAlumiinihydroksidi (CAS 21645-51-2) - Chemistry For Industry - Solvents & Chemicals - Masterchem.ee<\/title>\n<meta name=\"description\" content=\"Alumiinihydroksidi on alumiini- (Al3+) ja hydroksidi-ionien (OH\u2212) ioniyhdiste, jota esiintyy mineraaleissa nelj\u00e4n\u00e4 eri polymorfina: gibsiittin\u00e4, bayeriittin\u00e4, nordstrandiittin\u00e4 ja doyeliittin\u00e4, joista gibsiitti on eritt\u00e4in yleinen ja muut hyvin harvinaisia.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/masterchem.ee\/fi\/tooted-ja-teenused\/alumiinihydroksidi-cas-21645-51-2\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Alumiinihydroksidi (CAS 21645-51-2) - 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