{"id":8453,"date":"2022-05-03T14:44:07","date_gmt":"2022-05-03T11:44:07","guid":{"rendered":"https:\/\/masterchem.fi\/?post_type=product&p=8453"},"modified":"2023-06-07T10:16:28","modified_gmt":"2023-06-07T07:16:28","slug":"kalciumklorid-cas-10043-52-4","status":"publish","type":"product","link":"https:\/\/masterchem.fi\/sv\/produkt\/kalciumklorid-cas-10043-52-4\/","title":{"rendered":"Kalciumklorid (CAS 10043-52-4)"},"content":{"rendered":"

Information <\/strong>
\nKategorier: Hush\u00e5llskemikalier, G\u00f6dselmedel, Tr\u00e4dg\u00e5rdssk\u00f6tsel, Byggkemi <\/p>\n

CAS-nummer: 10043-52-4
\nWE-nummer: 233-140-8
\nKemisk formel: CaCl2
\nMolekylvikt: 110,99 g\/mol
\nTaxa: 28272000 <\/p>\n

Instruktioner som beskriver tekniken f\u00f6r att bereda en 32 % l\u00f6sning av kalciumklorid genom att l\u00f6sa torra initiala salter i vatten vid uppl\u00f6sningsenheten.<\/strong><\/p>\n

Individuella fasta salter av kalciumklorid – CaCl2 anv\u00e4nds som r\u00e5vara.<\/p>\n

1. I enlighet med uppgifterna i Tabell 1, h\u00e4ll vatten i beh\u00e5llaren.<\/p>\n

Tabell 1. Beredning av 32 % kalciumkloridl\u00f6sning<\/strong><\/p>\n

 <\/p>\n\n\n\n\n\n
Koncentration av CaCl2-l\u00f6sning <\/strong><\/td>\nInneh\u00e5ll av vattenfri CaCl2, 94-97 %, kg<\/strong><\/td>\n<\/tr>\n
i 1 liter l\u00f6sning<\/strong><\/td>\ni 1 kg l\u00f6sning<\/strong><\/td>\nf\u00f6r 1 liter vatten<\/strong><\/td>\n<\/tr>\n
32 %<\/td>\n0,417<\/td>\n0,32<\/td>\n0,47<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2. Sl\u00e5 p\u00e5 vattencirkulationen i installationen.
\n3. \u00d6ppna p\u00e5sens botten med en kniv och h\u00e4ll om m\u00f6jligt l\u00e5ngsamt inneh\u00e5llet i p\u00e5sen i en beh\u00e5llare med vatten.
\n4. Undvik att damma av produkten. Vid \u00e5terfyllning, anv\u00e4nd andningsskydd f\u00f6r att skydda andningsv\u00e4garna.
\n5. Cirkulera l\u00f6sningen tills fullst\u00e4ndig uppl\u00f6sning av fasta salter. Ju st\u00f6rre intensiteten av cirkulationen av l\u00f6sningen i tanken, desto kortare tid f\u00f6r uppl\u00f6sning av salter.
\n6. Uppl\u00f6sningen av torr kalciumklorid \u00e5tf\u00f6ljs av intensiv uppv\u00e4rmning av l\u00f6sningen (upp till 60 \u00b0C), saltet l\u00f6ser sig snabbt. L\u00e4mpliga s\u00e4kerhets\u00e5tg\u00e4rder m\u00e5ste iakttas f\u00f6r att f\u00f6rhindra termiska br\u00e4nnskador. Av denna anledning \u00e4r det \u00f6nskv\u00e4rt att ladda torr kalciumklorid i en beh\u00e5llare med vatten i omg\u00e5ngar.
\n7. Efter fullst\u00e4ndig uppl\u00f6sning av salterna tas ett prov av l\u00f6sningen i en glascylinder och med hj\u00e4lp av en hydrometer m\u00e4ts densitetsv\u00e4rdet till tredje decimalen.
\n8. Med h\u00e4nsyn till l\u00f6sningens temperatur, som best\u00e4ms med en termometer, j\u00e4mf\u00f6r det erh\u00e5llna densitetsv\u00e4rdet med v\u00e4rdet i tabell 2.
\nTabell 2 visar densitetsv\u00e4rdena f\u00f6r en 32% l\u00f6sning vid olika temperaturer.
\nEn avvikelse i v\u00e4rdet av koncentrationen av den beredda l\u00f6sningen i intervallet 31-33% \u00e4r till\u00e5ten. En avvikelse i v\u00e4rdet p\u00e5 l\u00f6sningskoncentrationen p\u00e5 \u00b11 % motsvarar en avvikelse i v\u00e4rdet f\u00f6r l\u00f6sningens densitet p\u00e5 cirka \u00b10,007 g\/cm3.<\/p>\n

Tabell 2. Densitet av 32 % kalciumkloridl\u00f6sning vid olika temperaturer<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
Temperatur, \u00b0\u0421 <\/strong><\/td>\nDensitet, g\/cm3 <\/strong><\/td>\n<\/tr>\n
10<\/td>\n1,3536<\/td>\n<\/tr>\n
15<\/td>\n1,3286<\/td>\n<\/tr>\n
20<\/td>\n1.3036<\/td>\n<\/tr>\n
25<\/td>\n1,2786<\/td>\n<\/tr>\n
30<\/td>\n1,2536<\/td>\n<\/tr>\n
35<\/td>\n1,2286<\/td>\n<\/tr>\n
40<\/td>\n1 2036<\/td>\n<\/tr>\n
45<\/td>\n1,1786<\/td>\n<\/tr>\n
50<\/td>\n1 1536<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

9. Den f\u00e4rdiga l\u00f6sningen pumpas in i en lagringstank.<\/p>\n","protected":false},"excerpt":{"rendered":"

Kalciumklorid (CAS 10043-52-4) <\/strong> <\/p>\n

Kalciumklorid (E509) (CaCl2 \u00b7 6H2O eller CaCl2) \u00e4r ett vitt, mycket hygroskopiskt salt som bildas genom reaktionen mellan kalciumkarbonat och saltsyra. Den kristallina formen (CaCl2 \u00b7 6H2O) bildar kristaller, medan den vattenfria (CaCl2) f\u00f6rblir ett pulver. B\u00e5da formerna \u00e4r mycket l\u00f6sliga i vatten. Kristallin kalciumklorid anv\u00e4nds p\u00e5 v\u00e4gar fr\u00e4mst under sommars\u00e4songen f\u00f6r att f\u00e5nga upp damm och p\u00e5 vintern i liten utstr\u00e4ckning i kombination med natriumklorid f\u00f6r att h\u00e5lla v\u00e4gbanorna sm\u00e4lta. Kalciumklorid f\u00e5r bilar att rosta. Kalciumklorid har ocks\u00e5 anv\u00e4nts som torkmedel, men \u00e4r nu n\u00e4stan helt ersatt av silikagel. <\/p>\n","protected":false},"featured_media":8457,"template":"","meta":[],"product_brand":[],"product_cat":[105,112,116,173,182],"product_tag":[],"class_list":{"0":"post-8453","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-hushallskemikalier-sv","7":"product_cat-byggbranschen","8":"product_cat-alla-produkter","9":"product_cat-godselmedel","10":"product_cat-hortikultur","12":"first","13":"outofstock","14":"taxable","15":"shipping-taxable","16":"purchasable","17":"product-type-variable","18":"has-default-attributes","19":"rtwpvg-product"},"yoast_head":"\nKalciumklorid (CAS 10043-52-4) - MasterChem | kemikaalien tuotanto ja myynti<\/title>\n<meta name=\"description\" content=\"Kalciumklorid (E509) (CaCl2 \u00b7 6H2O eller CaCl2) \u00e4r ett vitt, mycket hygroskopiskt salt som bildas genom reaktionen mellan kalciumkarbonat och saltsyra.\" \/>\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.fi\/sv\/produkt\/kalciumklorid-cas-10043-52-4\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kalciumklorid (CAS 10043-52-4) - 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