{"id":334,"date":"2022-05-16T17:41:32","date_gmt":"2022-05-16T10:41:32","guid":{"rendered":"https:\/\/mekongxanh.vn\/?post_type=product&p=334"},"modified":"2022-07-04T10:55:58","modified_gmt":"2022-07-04T03:55:58","slug":"phen-nhom","status":"publish","type":"product","link":"https:\/\/mekongxanh.vn\/en\/product\/phen-nhom\/","title":{"rendered":"Alum Al203 14.5%"},"content":{"rendered":"

Aluminum alum \u2013 Industrial chemicals<\/span><\/strong><\/h1>\n
\n

Specifications:<\/strong><\/p>\n\n\n\n\n\n\n\n\n
STT<\/td>\nParameter<\/strong><\/td>\nValue<\/strong><\/td>\n<\/tr>\n
1<\/td>\nAl content2<\/sub>O3<\/sub><\/td>\n\u226514.5%<\/td>\n<\/tr>\n
2<\/td>\nFe2<\/sub>O3<\/sub><\/td>\n\u22641%<\/td>\n<\/tr>\n
3<\/td>\nH2<\/sub>SO4<\/sub><\/td>\n\u22640.5%<\/td>\n<\/tr>\n
4<\/td>\nAmount of residue insoluble in water<\/td>\n\u22641%<\/td>\n<\/tr>\n
5<\/td>\npH(1% solution)<\/td>\n3.0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Application:<\/strong>Aluminum sulfate (aluminum alum) is used mainly in the paper industry, dyeing, tanning and as a coagulant for making in water. These uses all stem from the fact that aluminum salts hydrolyze quite strongly in water to form aluminum hydroxide.<\/p>\n

\u2013\u00a0In fabric dyeing:<\/strong>\u00a0\u00a0When dyeing that hydroxide, it is adsorbed by the fabric fiber and held firmly on the fiber, it will combine with the dye to form a stable color, so it has the effect of a mordant.<\/p>\n

In water treatment:<\/strong>\u00a0There is a flocculating effect in water because that hydroxide, with a very developed surface, adsorbs suspended substances in the water, pulling them together to settle down.<\/p>\n

\u2013\u00a0In the paper industry:<\/strong>\u00a0Aluminum sulfate is added to the pulp along with table salt. Aluminum chloride, formed by an exchange reaction, is hydrolysed more strongly to hydroxide. This hydroxide will bind the cellulose fibers together so that the paper does not smudge when writing.<\/p>\n

Salts of aluminum in general and aluminum sulfate in particular are widely used, especially in\u00a0Water treatment.<\/strong><\/p>\n\n\n\n\n\n\n
STT<\/td>\nParameter<\/strong><\/td>\nUnit<\/strong><\/td>\nValue<\/strong><\/td>\n<\/tr>\n
1<\/td>\nProportion<\/td>\ng\/cm3<\/sup><\/td>\n2,672<\/td>\n<\/tr>\n
2<\/td>\nMelting point<\/td>\n\u00b0C<\/td>\n770<\/td>\n<\/tr>\n
3<\/td>\nSolubility in water<\/td>\ng\/100mL<\/td>\n31.2 (0 \u00b0C)
\n36.4 (20 \u00b0C)
\n89.0 (100 \u00b0C)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>","protected":false},"excerpt":{"rendered":"

Aluminum alum (Al203 14.5%)<\/p>\n

Made in Viet Nam<\/p>\n

Specification: 25kg\/bag<\/p>","protected":false},"featured_media":2509,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","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":"","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":""},"product_cat":[16],"product_tag":[],"class_list":{"0":"post-334","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-hoa-chat-xu-ly-moi-truong","7":"align-center","8":"box-shadow-0","9":"box-shadow-0-hover","10":"ast-product-gallery-layout-horizontal","11":"ast-product-tabs-layout-horizontal","13":"first","14":"instock","15":"shipping-taxable","16":"product-type-simple"},"yoast_head":"\nPh\u00e8n nh\u00f4m Al203 \u2265 14,5% - 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