{"id":14947,"date":"2021-11-27T16:05:58","date_gmt":"2021-11-27T09:05:58","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=14947"},"modified":"2021-11-27T16:05:59","modified_gmt":"2021-11-27T09:05:59","slug":"co-bao-nhieu-muoi-trong-bien","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/co-bao-nhieu-muoi-trong-bien\/","title":{"rendered":"C\u00f3 bao nhi\u00eau mu\u1ed1i trong bi\u1ec3n?"},"content":{"rendered":"\n<p>T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 6 &#8211; Arkady Leokum<\/p>\n\n\n\n<p>N\u1ebfu l\u1ea5y h\u1ebft mu\u1ed1i trong bi\u1ec3n ph\u1ee7 l\u00ean l\u1ee5c \u0111\u1ecba, l\u1ee5c \u0111\u1ecba s\u1ebd cao th\u00eam 150m, gi\u1ea3 s\u1eed to\u00e0n b\u1ed9 n\u01b0\u1edbc bi\u1ec3n b\u1ecb ph\u01a1i c\u1ea1n, \u0111\u00e1y bi\u1ec3n s\u1ebd c\u00f3 m\u1ed9t l\u1edbp mu\u1ed1i d\u00e0y 60m, \u0111em s\u1ed1 mu\u1ed1i n\u00e0y c\u00f3 th\u1ec3 l\u1ea5p b\u1eb1ng m\u1ed9t B\u1eafc B\u0103ng D\u01b0\u01a1ng v\u00e0 c\u00f2n th\u1eeba n\u1eefa!<\/p>\n\n\n\n<p>Mu\u1ed1i bi\u1ec3n g\u1ed3m c\u00f3 nhi\u1ec1u lo\u1ea1i mu\u1ed1i, nh\u01b0ng c\u00f3 b\u1ed1n lo\u1ea1i ch\u00ednh: NaCl (mu\u1ed1i \u0103n) l\u00e0 ch\u1ee7 y\u1ebfu nh\u1ea5t, chi\u1ebfm 78% t\u1ed5ng s\u1ed1 mu\u1ed1i tr\u00ean bi\u1ec3n; ti\u1ebfp \u0111\u1ebfn l\u00e0 MgCl2: 11%, MgSO4: 4,7%; CaSO4: 3,6%; t\u1ed5ng s\u1ed1 b\u1ed1n lo\u1ea1i mu\u1ed1i n\u00e0y chi\u1ebfm 97,3% t\u1ed5ng s\u1ed1 mu\u1ed1i bi\u1ec3n, c\u00f3 ngh\u0129a l\u00e0 t\u1ed5ng c\u00e1c lo\u1ea1i mu\u1ed1i kh\u00e1c ch\u1ec9 chi\u1ebfm kho\u1ea3ng 2,7%.<\/p>\n\n\n\n<p>V\u1ecb m\u1eb7n c\u1ee7a mu\u1ed1i bi\u1ec3n l\u00e0 do NaCl (mu\u1ed1i \u0103n), v\u1ecb \u0111\u1eafng l\u00e0 do MgCl2. Do h\u00e0m l\u01b0\u1ee3ng NaCl qu\u00e1 nhi\u1ec1u, mu\u1ed1i bi\u1ec3n ph\u01a1i kh\u00f4 tr\u00ean b\u00e3i bi\u1ec3n c\u00f3 th\u1ec3 \u0103n ngay m\u00e0 kh\u00f4ng c\u1ea7n x\u1eed l\u00fd, cho n\u00ean mu\u1ed1i bi\u1ec3n v\u00e0 mu\u1ed1i \u0103n c\u00f3 l\u00fac d\u00f9ng l\u1eabn l\u1ed9n l\u00e0 v\u1eady.<\/p>\n\n\n\n<p>Mu\u1ed1i \u0103n l\u00e0 gia v\u1ecb kh\u00f4ng th\u1ec3 thi\u1ebfu trong cu\u1ed9c s\u1ed1ng h\u1eb1ng ng\u00e0y. Mu\u1ed1i \u0103n c\u00f2n l\u00e0 nguy\u00ean li\u1ec7u g\u1ed1c cho s\u1ef1 ph\u00e1t tri\u1ec3n c\u00f4ng nghi\u1ec7p h\u00f3a h\u1ecdc, trong c\u00f4ng nghi\u1ec7p c\u0169ng c\u00f3 nhi\u1ec1u c\u00f4ng d\u1ee5ng. Sau khi \u0111i\u1ec7n gi\u1ea3i dung d\u1ecbch mu\u1ed1i \u0103n c\u00f3 th\u1ec3 l\u1ea5y \u0111\u01b0\u1ee3c ki\u1ec1m, kh\u00ed clor, kh\u00ed hydro. Cho ki\u1ec1m v\u00e0o d\u1ea7u \u0111\u1ed9ng v\u1eadt r\u1ed3i n\u1ea5u l\u00ean \u0111\u1ec3 l\u00e0m x\u00e0 b\u00f4ng v\u00e0 glycerin. S\u1ee3i th\u1ef1c v\u1eadt nh\u00fang trong x\u00fat c\u00f3 th\u1ec3 t\u1ea1o ra t\u01a1 nh\u00e2n t\u1ea1o\u2026<\/p>\n\n\n\n<p>Hydro v\u00e0 clor l\u00e0 nguy\u00ean li\u1ec7u ch\u1ebf t\u1ea1o acid clorhydric (HCl), n\u00f3 l\u00e0 lo\u1ea1i acid d\u00f9ng trong cao su, thu\u1ed1c nhu\u1ed9m, ch\u1ebf t\u1ea1o da, d\u01b0\u1ee3c ph\u1ea9m, ph\u00e2n h\u00f3a h\u1ecdc v.v\u2026 HCl \u0111\u01b0\u1ee3c d\u00f9ng nhi\u1ec1u, s\u1ea3n xu\u1ea5t m\u1ed9t t\u1ea5m nilong c\u1ea7n \u00bd t\u1ea5n x\u00fat. C\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t ph\u00e2n h\u00f3a h\u1ecdc, gi\u1ea5y, d\u1ec7t v.v\u2026 \u0111\u1ec1u c\u1ea7n x\u00fat. T\u1eeb \u0111\u00f3 ta th\u1ea5y: mu\u1ed1i bi\u1ec3n c\u00f3 r\u1ea5t nhi\u1ec1u c\u00f4ng d\u1ee5ng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 6 &#8211; Arkady Leokum N\u1ebfu l\u1ea5y h\u1ebft mu\u1ed1i trong bi\u1ec3n ph\u1ee7 l\u00ean l\u1ee5c \u0111\u1ecba, l\u1ee5c \u0111\u1ecba s\u1ebd cao th\u00eam 150m, gi\u1ea3 s\u1eed to\u00e0n b\u1ed9 n\u01b0\u1edbc bi\u1ec3n b\u1ecb ph\u01a1i c\u1ea1n, \u0111\u00e1y bi\u1ec3n s\u1ebd c\u00f3 m\u1ed9t l\u1edbp mu\u1ed1i d\u00e0y 60m, \u0111em s\u1ed1 mu\u1ed1i n\u00e0y c\u00f3 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15],"tags":[],"class_list":["post-14947","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14947","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=14947"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14947\/revisions"}],"predecessor-version":[{"id":14948,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14947\/revisions\/14948"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=14947"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=14947"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=14947"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}